715043643225 has 48 divisors (see below), whose sum is σ = 1223174283264. Its totient is φ = 368197992000.

The previous prime is 715043643217. The next prime is 715043643229. The reversal of 715043643225 is 522346340517.

It is not a de Polignac number, because 715043643225 - 2³ = 715043643217 is a prime.

It is a super-2 number, since 2×715043643225² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (715043643229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 645294 + ... + 1358856.

It is an arithmetic number, because the mean of its divisors is an integer number (25482797568).

Almost surely, 2^715043643225 is an apocalyptic number.

715043643225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

715043643225 is a deficient number, since it is larger than the sum of its proper divisors (508130640039).

715043643225 is a wasteful number, since it uses less digits than its factorization.

715043643225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714038 (or 714033 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 715043643225 in words is "seven hundred fifteen billion, forty-three million, six hundred forty-three thousand, two hundred twenty-five".