51235976745 has 96 divisors (see below), whose sum is σ = 100606596480. Its totient is φ = 23965009920.

The previous prime is 51235976719. The next prime is 51235976767. The reversal of 51235976745 is 54767953215.

It is a happy number.

51235976745 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 597 + 6 + 7 + 45 = 666.

It is not a de Polignac number, because 51235976745 - 2⁵ = 51235976713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51235976691 and 51235976700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 857742 + ... + 915528.

It is an arithmetic number, because the mean of its divisors is an integer number (1047985380).

Almost surely, 2^51235976745 is an apocalyptic number.

It is an amenable number.

51235976745 is a deficient number, since it is larger than the sum of its proper divisors (49370619735).

51235976745 is a wasteful number, since it uses less digits than its factorization.

51235976745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57895 (or 57892 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 54.

The spelling of 51235976745 in words is "fifty-one billion, two hundred thirty-five million, nine hundred seventy-six thousand, seven hundred forty-five".