51401525315 has 32 divisors (see below), whose sum is σ = 72179182080. Its totient is φ = 34413249024.

The previous prime is 51401525297. The next prime is 51401525347. The reversal of 51401525315 is 51352510415.

51401525315 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 51401525315 - 2⁶ = 51401525251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167996 + ... + 361974.

It is an arithmetic number, because the mean of its divisors is an integer number (2255599440).

Almost surely, 2^51401525315 is an apocalyptic number.

51401525315 is a deficient number, since it is larger than the sum of its proper divisors (20777656765).

51401525315 is a wasteful number, since it uses less digits than its factorization.

51401525315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194171.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 51401525315 in words is "fifty-one billion, four hundred one million, five hundred twenty-five thousand, three hundred fifteen".