72265438115 has 64 divisors (see below), whose sum is σ = 97286676480. Its totient is φ = 51172577280.

The previous prime is 72265438097. The next prime is 72265438121. The reversal of 72265438115 is 51183456227.

It is not a de Polignac number, because 72265438115 - 2⁶ = 72265438051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201296306 + ... + 201296664.

It is an arithmetic number, because the mean of its divisors is an integer number (1520104320).

Almost surely, 2^72265438115 is an apocalyptic number.

72265438115 is a deficient number, since it is larger than the sum of its proper divisors (25021238365).

72265438115 is a wasteful number, since it uses less digits than its factorization.

72265438115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its digits is 403200, while the sum is 44.

The spelling of 72265438115 in words is "seventy-two billion, two hundred sixty-five million, four hundred thirty-eight thousand, one hundred fifteen".