71064125015 has 32 divisors (see below), whose sum is σ = 92557080000. Its totient is φ = 52067819520.

The previous prime is 71064124939. The next prime is 71064125021. The reversal of 71064125015 is 51052146017.

It is not a de Polignac number, because 71064125015 - 2²⁶ = 70997016151 is a prime.

It is a congruent number.

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, 5357111 + ... + 5370359.

It is an arithmetic number, because the mean of its divisors is an integer number (2892408750).

Almost surely, 2^71064125015 is an apocalyptic number.

71064125015 is a deficient number, since it is larger than the sum of its proper divisors (21492954985).

71064125015 is a wasteful number, since it uses less digits than its factorization.

71064125015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13907.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 71064125015 in words is "seventy-one billion, sixty-four million, one hundred twenty-five thousand, fifteen".