5111655660555 has 32 divisors (see below), whose sum is σ = 8828526735360. Its totient is φ = 2517765022080.

The previous prime is 5111655660523. The next prime is 5111655660577. The reversal of 5111655660555 is 5550665561115.

It is not a de Polignac number, because 5111655660555 - 2⁵ = 5111655660523 is a prime.

It is a super-2 number, since 2×5111655660555² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5111655660498 and 5111655660507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255445051 + ... + 255465060.

It is an arithmetic number, because the mean of its divisors is an integer number (275891460480).

Almost surely, 2^{5111655660555} is an apocalyptic number.

5111655660555 is a deficient number, since it is larger than the sum of its proper divisors (3716871074805).

5111655660555 is a wasteful number, since it uses less digits than its factorization.

5111655660555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510910171.

The product of its (nonzero) digits is 3375000, while the sum is 51.

The spelling of 5111655660555 in words is "five trillion, one hundred eleven billion, six hundred fifty-five million, six hundred sixty thousand, five hundred fifty-five".