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11080855581 = 311173306731
BaseRepresentation
bin10100101000111100…
…00111000000011101
31001121020120210020120
422110132013000131
5140143144334311
65031313105153
7541410501255
oct122436070035
931536523216
1011080855581
114776943894
122192b581b9
1310778c72a3
1477191a965
1544cc11706
hex29478701d

11080855581 has 8 divisors (see below), whose sum is σ = 14787705504. Its totient is φ = 7380621360.

The previous prime is 11080855573. The next prime is 11080855607. The reversal of 11080855581 is 18555808011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11080855581 - 23 = 11080855573 is a prime.

It is a super-2 number, since 2×110808555812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11080855531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1650015 + ... + 1656716.

It is an arithmetic number, because the mean of its divisors is an integer number (1848463188).

Almost surely, 211080855581 is an apocalyptic number.

It is an amenable number.

11080855581 is a deficient number, since it is larger than the sum of its proper divisors (3706849923).

11080855581 is a wasteful number, since it uses less digits than its factorization.

11080855581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307851.

The product of its (nonzero) digits is 64000, while the sum is 42.

The spelling of 11080855581 in words is "eleven billion, eighty million, eight hundred fifty-five thousand, five hundred eighty-one".

Divisors: 1 3 1117 3351 3306731 9920193 3693618527 11080855581