55011111101056 has 64 divisors (see below), whose sum is σ = 119565132523200. Its totient is φ = 25003014461440.

The previous prime is 55011111101033. The next prime is 55011111101083. The reversal of 55011111101056 is 65010111111055.

It is a tau number, because it is divible by the number of its divisors (64).

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, 15774741 + ... + 18943723.

It is an arithmetic number, because the mean of its divisors is an integer number (1868205195675).

Almost surely, 2^{55011111101056} is an apocalyptic number.

It is an amenable number.

55011111101056 is an abundant number, since it is smaller than the sum of its proper divisors (64554021422144).

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

55011111101056 is a wasteful number, since it uses less digits than its factorization.

55011111101056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181337 (or 3181325 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 28.

Subtracting 55011111101056 from its reverse (65010111111055), we obtain a palindrome (9999000009999).

The spelling of 55011111101056 in words is "fifty-five trillion, eleven billion, one hundred eleven million, one hundred one thousand, fifty-six".