51005706575 has 12 divisors (see below), whose sum is σ = 63371349480. Its totient is φ = 40724388960.

The previous prime is 51005706541. The next prime is 51005706643. The reversal of 51005706575 is 57560750015.

51005706575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51005706575 - 2¹⁶ = 51005641039 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1991429 + ... + 2016878.

It is an arithmetic number, because the mean of its divisors is an integer number (5280945790).

Almost surely, 2^51005706575 is an apocalyptic number.

51005706575 is a deficient number, since it is larger than the sum of its proper divisors (12365642905).

51005706575 is a wasteful number, since it uses less digits than its factorization.

51005706575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008826 (or 4008821 counting only the distinct ones).

The product of its (nonzero) digits is 183750, while the sum is 41.

The spelling of 51005706575 in words is "fifty-one billion, five million, seven hundred six thousand, five hundred seventy-five".