716521115 has 16 divisors (see below), whose sum is σ = 875626752. Its totient is φ = 562741344.

The previous prime is 716521087. The next prime is 716521121. The reversal of 716521115 is 511125617.

It is a cyclic number.

It is not a de Polignac number, because 716521115 - 2²⁶ = 649412251 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, 99362 + ... + 106328.

It is an arithmetic number, because the mean of its divisors is an integer number (54726672).

Almost surely, 2^716521115 is an apocalyptic number.

716521115 is a deficient number, since it is larger than the sum of its proper divisors (159105637).

716521115 is a wasteful number, since it uses less digits than its factorization.

716521115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346.

The product of its digits is 2100, while the sum is 29.

The square root of 716521115 is about 26767.9120403516. The cubic root of 716521115 is about 894.8350725506.

The spelling of 716521115 in words is "seven hundred sixteen million, five hundred twenty-one thousand, one hundred fifteen".