715617612665 has 16 divisors (see below), whose sum is σ = 860324319360. Its totient is φ = 571439205120.

The previous prime is 715617612659. The next prime is 715617612673. The reversal of 715617612665 is 566216716517.

715617612665 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 715617612665 - 2²⁴ = 715600835449 is a prime.

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, 10566260 + ... + 10633770.

It is an arithmetic number, because the mean of its divisors is an integer number (53770269960).

Almost surely, 2^715617612665 is an apocalyptic number.

It is an amenable number.

715617612665 is a deficient number, since it is larger than the sum of its proper divisors (144706706695).

715617612665 is a wasteful number, since it uses less digits than its factorization.

715617612665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71392.

The product of its digits is 3175200, while the sum is 53.

The spelling of 715617612665 in words is "seven hundred fifteen billion, six hundred seventeen million, six hundred twelve thousand, six hundred sixty-five".