715057276221 has 8 divisors (see below), whose sum is σ = 1059344112960. Its totient is φ = 476704850796.

The previous prime is 715057276163. The next prime is 715057276261. The reversal of 715057276221 is 122672750517.

715057276221 is a `hidden beast` number, since 7 + 1 + 5 + 0 + 572 + 76 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 715057276221 - 2⁷ = 715057276093 is a prime.

It is a super-2 number, since 2×715057276221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715057276261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13241801385 + ... + 13241801438.

It is an arithmetic number, because the mean of its divisors is an integer number (132418014120).

Almost surely, 2^715057276221 is an apocalyptic number.

It is an amenable number.

715057276221 is a deficient number, since it is larger than the sum of its proper divisors (344286836739).

715057276221 is a wasteful number, since it uses less digits than its factorization.

715057276221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26483602832 (or 26483602826 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The spelling of 715057276221 in words is "seven hundred fifteen billion, fifty-seven million, two hundred seventy-six thousand, two hundred twenty-one".