5111055500031 has 32 divisors (see below), whose sum is σ = 8156314763520. Its totient is φ = 3144522723552.

The previous prime is 5111055500017. The next prime is 5111055500053. The reversal of 5111055500031 is 1300055501115.

5111055500031 is a `hidden beast` number, since 5 + 1 + 1 + 105 + 550 + 0 + 0 + 3 + 1 = 666.

It is not a de Polignac number, because 5111055500031 - 2¹¹ = 5111055497983 is a prime.

It is a super-2 number, since 2×5111055500031² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5111055499968 and 5111055500004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111055500431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226641 + ... + 3205226.

It is an arithmetic number, because the mean of its divisors is an integer number (254884836360).

Almost surely, 2^{5111055500031} is an apocalyptic number.

5111055500031 is a deficient number, since it is larger than the sum of its proper divisors (3045259263489).

5111055500031 is a wasteful number, since it uses less digits than its factorization.

5111055500031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436132 (or 3436126 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 27.

The spelling of 5111055500031 in words is "five trillion, one hundred eleven billion, fifty-five million, five hundred thousand, thirty-one".