72566269815 has 16 divisors (see below), whose sum is σ = 125037265248. Its totient is φ = 35724932736.

The previous prime is 72566269813. The next prime is 72566269823. The reversal of 72566269815 is 51896266527.

It is not a de Polignac number, because 72566269815 - 2¹ = 72566269813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72566269813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186067164 + ... + 186067553.

It is an arithmetic number, because the mean of its divisors is an integer number (7814829078).

Almost surely, 2^72566269815 is an apocalyptic number.

72566269815 is a deficient number, since it is larger than the sum of its proper divisors (52470995433).

72566269815 is a wasteful number, since it uses less digits than its factorization.

72566269815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372134738.

The product of its digits is 10886400, while the sum is 57.

The spelling of 72566269815 in words is "seventy-two billion, five hundred sixty-six million, two hundred sixty-nine thousand, eight hundred fifteen".