55011101100111 has 16 divisors (see below), whose sum is σ = 87766998906720. Its totient is φ = 33852985292160.

The previous prime is 55011101100041. The next prime is 55011101100139. The reversal of 55011101100111 is 11100110111055.

55011101100111 is a `hidden beast` number, since 550 + 1 + 1 + 1 + 0 + 1 + 1 + 0 + 0 + 111 = 666.

It is not a de Polignac number, because 55011101100111 - 2¹⁵ = 55011101067343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011101108111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78363391530 + ... + 78363392231.

It is an arithmetic number, because the mean of its divisors is an integer number (5485437431670).

Almost surely, 2^{55011101100111} is an apocalyptic number.

55011101100111 is a deficient number, since it is larger than the sum of its proper divisors (32755897806609).

55011101100111 is a wasteful number, since it uses less digits than its factorization.

55011101100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156726783783 (or 156726783777 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 18.

Adding to 55011101100111 its reverse (11100110111055), we get a palindrome (66111211211166).

The spelling of 55011101100111 in words is "fifty-five trillion, eleven billion, one hundred one million, one hundred thousand, one hundred eleven".