715909460121 has 24 divisors (see below), whose sum is σ = 1037836505160. Its totient is φ = 475545163776.

The previous prime is 715909460087. The next prime is 715909460153. The reversal of 715909460121 is 121064909517.

715909460121 is a `hidden beast` number, since 7 + 1 + 590 + 9 + 46 + 0 + 12 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 201928004496 + 513981455625 = 449364^2 + 716925^2 .

It is not a de Polignac number, because 715909460121 - 2¹⁴ = 715909443737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (715909460221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13974265 + ... + 14025401.

It is an arithmetic number, because the mean of its divisors is an integer number (43243187715).

Almost surely, 2^715909460121 is an apocalyptic number.

It is an amenable number.

715909460121 is a deficient number, since it is larger than the sum of its proper divisors (321927045039).

715909460121 is a wasteful number, since it uses less digits than its factorization.

715909460121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56745 (or 56742 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 715909460121 in words is "seven hundred fifteen billion, nine hundred nine million, four hundred sixty thousand, one hundred twenty-one".