264512515245530 has 32 divisors (see below), whose sum is σ = 504968154576768. Its totient is φ = 99545693544000.

The previous prime is 264512515245497. The next prime is 264512515245617. The reversal of 264512515245530 is 35542515215462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9426661496 + ... + 9426689555.

It is an arithmetic number, because the mean of its divisors is an integer number (15780254830524).

Almost surely, 2^{264512515245530} is an apocalyptic number.

264512515245530 is a deficient number, since it is larger than the sum of its proper divisors (240455639331238).

264512515245530 is a wasteful number, since it uses less digits than its factorization.

264512515245530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18853351142.

The product of its (nonzero) digits is 7200000, while the sum is 50.

The spelling of 264512515245530 in words is "two hundred sixty-four trillion, five hundred twelve billion, five hundred fifteen million, two hundred forty-five thousand, five hundred thirty".