51283863357875 has 16 divisors (see below), whose sum is σ = 64019003438208. Its totient is φ = 41016358656000.

The previous prime is 51283863357803. The next prime is 51283863357899. The reversal of 51283863357875 is 57875336838215.

It is not a de Polignac number, because 51283863357875 - 2³² = 51279568390579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51283863357799 and 51283863357808.

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, 53180366 + ... + 54136115.

It is an arithmetic number, because the mean of its divisors is an integer number (4001187714888).

Almost surely, 2^{51283863357875} is an apocalyptic number.

51283863357875 is a deficient number, since it is larger than the sum of its proper divisors (12735140080333).

51283863357875 is a wasteful number, since it uses less digits than its factorization.

51283863357875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107320319 (or 107320309 counting only the distinct ones).

The product of its digits is 1016064000, while the sum is 71.

The spelling of 51283863357875 in words is "fifty-one trillion, two hundred eighty-three billion, eight hundred sixty-three million, three hundred fifty-seven thousand, eight hundred seventy-five".