51425214615 has 12 divisors (see below), whose sum is σ = 89137038744. Its totient is φ = 27426781104.

The previous prime is 51425214563. The next prime is 51425214623. The reversal of 51425214615 is 51641252415.

51425214615 is a `hidden beast` number, since 5 + 1 + 4 + 25 + 2 + 14 + 615 = 666.

It is not a de Polignac number, because 51425214615 - 2¹¹ = 51425212567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51425214615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571391229 + ... + 571391318.

It is an arithmetic number, because the mean of its divisors is an integer number (7428086562).

Almost surely, 2^51425214615 is an apocalyptic number.

51425214615 is a deficient number, since it is larger than the sum of its proper divisors (37711824129).

51425214615 is a wasteful number, since it uses less digits than its factorization.

51425214615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142782558 (or 1142782555 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The spelling of 51425214615 in words is "fifty-one billion, four hundred twenty-five million, two hundred fourteen thousand, six hundred fifteen".