51345364415125 has 64 divisors (see below), whose sum is σ = 70924866824448. Its totient is φ = 36799218720000.

The previous prime is 51345364415113. The next prime is 51345364415173. The reversal of 51345364415125 is 52151446354315.

It is not a de Polignac number, because 51345364415125 - 2⁷ = 51345364414997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44740995 + ... + 45874255.

It is an arithmetic number, because the mean of its divisors is an integer number (1108201044132).

Almost surely, 2^{51345364415125} is an apocalyptic number.

51345364415125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51345364415125 is a deficient number, since it is larger than the sum of its proper divisors (19579502409323).

51345364415125 is a wasteful number, since it uses less digits than its factorization.

51345364415125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133767 (or 1133757 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 49.

The spelling of 51345364415125 in words is "fifty-one trillion, three hundred forty-five billion, three hundred sixty-four million, four hundred fifteen thousand, one hundred twenty-five".