225720363615 has 32 divisors (see below), whose sum is σ = 364658353920. Its totient is φ = 119219806464.

The previous prime is 225720363613. The next prime is 225720363683. The reversal of 225720363615 is 516363027522.

It is not a de Polignac number, because 225720363615 - 2¹ = 225720363613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225720363613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729972 + ... + 992118.

It is an arithmetic number, because the mean of its divisors is an integer number (11395573560).

Almost surely, 2^225720363615 is an apocalyptic number.

225720363615 is a deficient number, since it is larger than the sum of its proper divisors (138937990305).

225720363615 is a wasteful number, since it uses less digits than its factorization.

225720363615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262711.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 225720363615 in words is "two hundred twenty-five billion, seven hundred twenty million, three hundred sixty-three thousand, six hundred fifteen".