11100555056 has 20 divisors (see below), whose sum is σ = 21524024904. Its totient is φ = 5545968000.

The previous prime is 11100555047. The next prime is 11100555077. The reversal of 11100555056 is 65055500111.

It is a happy number.

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, 248045 + ... + 289356.

Almost surely, 2^11100555056 is an apocalyptic number.

11100555056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11100555056 is a deficient number, since it is larger than the sum of its proper divisors (10423469848).

11100555056 is a wasteful number, since it uses less digits than its factorization.

11100555056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538700 (or 538694 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

It can be divided in two parts, 1110055 and 5056, that added together give a palindrome (1115111).

The spelling of 11100555056 in words is "eleven billion, one hundred million, five hundred fifty-five thousand, fifty-six".