11153405056 has 32 divisors (see below), whose sum is σ = 22224804480. Its totient is φ = 5575415040.

The previous prime is 11153405047. The next prime is 11153405063. The reversal of 11153405056 is 65050435111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800905 + ... + 814711.

It is an arithmetic number, because the mean of its divisors is an integer number (694525140).

Almost surely, 2^11153405056 is an apocalyptic number.

11153405056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11153405056 is a deficient number, since it is larger than the sum of its proper divisors (11071399424).

11153405056 is an equidigital number, since it uses as much as digits as its factorization.

11153405056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20132 (or 20120 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 11153405056 in words is "eleven billion, one hundred fifty-three million, four hundred five thousand, fifty-six".