5111156616172 has 48 divisors (see below), whose sum is σ = 9488655277920. Its totient is φ = 2404728972800.

The previous prime is 5111156616109. The next prime is 5111156616191. The reversal of 5111156616172 is 2716166511115.

It is a super-2 number, since 2×5111156616172² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3936522 + ... + 5071342.

It is an arithmetic number, because the mean of its divisors is an integer number (197680318290).

Almost surely, 2^{5111156616172} is an apocalyptic number.

It is an amenable number.

5111156616172 is a deficient number, since it is larger than the sum of its proper divisors (4377498661748).

5111156616172 is a wasteful number, since it uses less digits than its factorization.

5111156616172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135842 (or 1135840 counting only the distinct ones).

The product of its digits is 75600, while the sum is 43.

The spelling of 5111156616172 in words is "five trillion, one hundred eleven billion, one hundred fifty-six million, six hundred sixteen thousand, one hundred seventy-two".