55116111151 has 4 divisors (see below), whose sum is σ = 55116591552. Its totient is φ = 55115630752.

The previous prime is 55116111131. The next prime is 55116111191. The reversal of 55116111151 is 15111161155.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55116111151 - 2⁵ = 55116111119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55116111101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43911 + ... + 334903.

It is an arithmetic number, because the mean of its divisors is an integer number (13779147888).

Almost surely, 2^55116111151 is an apocalyptic number.

55116111151 is a deficient number, since it is larger than the sum of its proper divisors (480401).

55116111151 is a wasteful number, since it uses less digits than its factorization.

55116111151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480400.

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

The spelling of 55116111151 in words is "fifty-five billion, one hundred sixteen million, one hundred eleven thousand, one hundred fifty-one".