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11081880000 = 26335431331
BaseRepresentation
bin10100101001000100…
…00001000111000000
31001121022111211111000
422110202001013000
5140143430130000
65031351052000
7541422266022
oct122442010700
931538454430
1011081880000
114777483514
122193371000
131077b95659
14771b06012
1544cd65000
hex2948811c0

11081880000 has 560 divisors, whose sum is σ = 42150507520. Its totient is φ = 2851200000.

The previous prime is 11081879989. The next prime is 11081880013. The reversal of 11081880000 is 8818011.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 33479835 + ... + 33480165.

Almost surely, 211081880000 is an apocalyptic number.

11081880000 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 11081880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21075253760).

11081880000 is an abundant number, since it is smaller than the sum of its proper divisors (31068627520).

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

11081880000 is an equidigital number, since it uses as much as digits as its factorization.

11081880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 27.

The spelling of 11081880000 in words is "eleven billion, eighty-one million, eight hundred eighty thousand".