55111011005106 has 48 divisors (see below), whose sum is σ = 137998679270400. Its totient is φ = 15569081757504.

The previous prime is 55111011005093. The next prime is 55111011005123. The reversal of 55111011005106 is 60150011011155.

55111011005106 is a `hidden beast` number, since 551 + 1 + 1 + 0 + 1 + 1 + 0 + 0 + 5 + 106 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55111011005106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2457230226 + ... + 2457252653.

It is an arithmetic number, because the mean of its divisors is an integer number (2874972484800).

Almost surely, 2^{55111011005106} is an apocalyptic number.

55111011005106 is an abundant number, since it is smaller than the sum of its proper divisors (82887668265294).

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

55111011005106 is a wasteful number, since it uses less digits than its factorization.

55111011005106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914482983 (or 4914482980 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

The spelling of 55111011005106 in words is "fifty-five trillion, one hundred eleven billion, eleven million, five thousand, one hundred six".