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11057580000 = 25335420477
BaseRepresentation
bin10100100110001010…
…10100011111100000
31001112121210021011000
422103011110133200
5140121220030000
65025122152000
7541005610365
oct122305243740
931477707130
1011057580000
114764796575
1221871b2600
131072b37c5c
1476c7bc46c
1544ab65000
hex2931547e0

11057580000 has 240 divisors, whose sum is σ = 40303161360. Its totient is φ = 2948544000.

The previous prime is 11057579987. The next prime is 11057580007. The reversal of 11057580000 is 8575011.

11057580000 is a `hidden beast` number, since 1 + 10 + 575 + 80 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11057580007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 529762 + ... + 550238.

It is an arithmetic number, because the mean of its divisors is an integer number (167929839).

Almost surely, 211057580000 is an apocalyptic number.

11057580000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11057580000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20151580680).

11057580000 is an abundant number, since it is smaller than the sum of its proper divisors (29245581360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11057580000 is an equidigital number, since it uses as much as digits as its factorization.

11057580000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20516 (or 20487 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The spelling of 11057580000 in words is "eleven billion, fifty-seven million, five hundred eighty thousand".