715145525541516 has 24 divisors (see below), whose sum is σ = 1713772160307760. Its totient is φ = 231939089364672.

The previous prime is 715145525541487. The next prime is 715145525541539. The reversal of 715145525541516 is 615145525541517.

It is a super-2 number, since 2×715145525541516² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 805344059851 + ... + 805344060738.

Almost surely, 2^{715145525541516} is an apocalyptic number.

It is an amenable number.

715145525541516 is an abundant number, since it is smaller than the sum of its proper divisors (998626634766244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

715145525541516 is a wasteful number, since it uses less digits than its factorization.

715145525541516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610688120633 (or 1610688120631 counting only the distinct ones).

The product of its digits is 21000000, while the sum is 57.

Subtracting from 715145525541516 its reverse (615145525541517), we obtain a palindrome (99999999999999).

The spelling of 715145525541516 in words is "seven hundred fifteen trillion, one hundred forty-five billion, five hundred twenty-five million, five hundred forty-one thousand, five hundred sixteen".