65240616275 has 24 divisors (see below), whose sum is σ = 81227394864. Its totient is φ = 51980662400.

The previous prime is 65240616269. The next prime is 65240616283. The reversal of 65240616275 is 57261604256.

65240616275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65240616275 - 2⁸ = 65240616019 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6414344 + ... + 6424506.

It is an arithmetic number, because the mean of its divisors is an integer number (3384474786).

Almost surely, 2^65240616275 is an apocalyptic number.

65240616275 is a deficient number, since it is larger than the sum of its proper divisors (15986778589).

65240616275 is a wasteful number, since it uses less digits than its factorization.

65240616275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191 (or 11186 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 65240616275 in words is "sixty-five billion, two hundred forty million, six hundred sixteen thousand, two hundred seventy-five".