11469581056 has 18 divisors (see below), whose sum is σ = 22894359572. Its totient is φ = 5734790400.

The previous prime is 11469581047. The next prime is 11469581069. The reversal of 11469581056 is 65018596411.

It is a junction number, because it is equal to n+sod(n) for n = 11469580997 and 11469581015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22401270 + ... + 22401781.

Almost surely, 2^11469581056 is an apocalyptic number.

11469581056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11469581056 is a deficient number, since it is larger than the sum of its proper divisors (11424778516).

11469581056 is an frugal number, since it uses more digits than its factorization.

11469581056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44803067 (or 44803053 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 11469581056 in words is "eleven billion, four hundred sixty-nine million, five hundred eighty-one thousand, fifty-six".