715845506701 has 30 divisors (see below), whose sum is σ = 789441854866. Its totient is φ = 648934041600.

The previous prime is 715845506687. The next prime is 715845506729. The reversal of 715845506701 is 107605548517.

It is a happy number.

It can be written as a sum of positive squares in 15 ways, for example, as 680997951076 + 34847555625 = 825226^2 + 186675^2 .

It is not a de Polignac number, because 715845506701 - 2²³ = 715837118093 is a prime.

It is a super-2 number, since 2×715845506701² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715845506501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1116763341 + ... + 1116763981.

Almost surely, 2^715845506701 is an apocalyptic number.

It is an amenable number.

715845506701 is a deficient number, since it is larger than the sum of its proper divisors (73596348165).

715845506701 is an frugal number, since it uses more digits than its factorization.

715845506701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 49.

The spelling of 715845506701 in words is "seven hundred fifteen billion, eight hundred forty-five million, five hundred six thousand, seven hundred one".