11169589056 has 56 divisors (see below), whose sum is σ = 29573975904. Its totient is φ = 3720537600.

The previous prime is 11169589049. The next prime is 11169589103. The reversal of 11169589056 is 65098596111.

It is a super-2 number, since 2×11169589056² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258546 + ... + 298638.

Almost surely, 2^11169589056 is an apocalyptic number.

11169589056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11169589056 is an abundant number, since it is smaller than the sum of its proper divisors (18404386848).

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

11169589056 is a wasteful number, since it uses less digits than its factorization.

11169589056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41559 (or 41549 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 51.

The spelling of 11169589056 in words is "eleven billion, one hundred sixty-nine million, five hundred eighty-nine thousand, fifty-six".