51170674475 has 24 divisors (see below), whose sum is σ = 68130380448. Its totient is φ = 37985830400.

The previous prime is 51170674447. The next prime is 51170674481. The reversal of 51170674475 is 57447607115.

It is not a de Polignac number, because 51170674475 - 2¹⁸ = 51170412331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 817724 + ... + 878073.

It is an arithmetic number, because the mean of its divisors is an integer number (2838765852).

Almost surely, 2^51170674475 is an apocalyptic number.

51170674475 is a deficient number, since it is larger than the sum of its proper divisors (16959705973).

51170674475 is a wasteful number, since it uses less digits than its factorization.

51170674475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695895 (or 1695890 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 47.

The spelling of 51170674475 in words is "fifty-one billion, one hundred seventy million, six hundred seventy-four thousand, four hundred seventy-five".