55111010605101 has 48 divisors (see below), whose sum is σ = 86889541752000. Its totient is φ = 33382174475520.

The previous prime is 55111010605099. The next prime is 55111010605111. The reversal of 55111010605101 is 10150601011155.

55111010605101 is a `hidden beast` number, since 5 + 51 + 1 + 1 + 0 + 1 + 0 + 605 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 55111010605101 - 2¹ = 55111010605099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111010605111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2972697490 + ... + 2972716028.

It is an arithmetic number, because the mean of its divisors is an integer number (1810198786500).

Almost surely, 2^{55111010605101} is an apocalyptic number.

It is an amenable number.

55111010605101 is a deficient number, since it is larger than the sum of its proper divisors (31778531146899).

55111010605101 is a wasteful number, since it uses less digits than its factorization.

55111010605101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33514 (or 33511 counting only the distinct ones).

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

Adding to 55111010605101 its reverse (10150601011155), we get a palindrome (65261611616256).

The spelling of 55111010605101 in words is "fifty-five trillion, one hundred eleven billion, ten million, six hundred five thousand, one hundred one".