65599525345 has 16 divisors (see below), whose sum is σ = 79045968960. Its totient is φ = 52262192704.

The previous prime is 65599525337. The next prime is 65599525357. The reversal of 65599525345 is 54352599556.

It is a cyclic number.

It is not a de Polignac number, because 65599525345 - 2³ = 65599525337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65599525345.

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, 2074866 + ... + 2106244.

It is an arithmetic number, because the mean of its divisors is an integer number (4940373060).

Almost surely, 2^65599525345 is an apocalyptic number.

It is an amenable number.

65599525345 is a deficient number, since it is larger than the sum of its proper divisors (13446443615).

65599525345 is a wasteful number, since it uses less digits than its factorization.

65599525345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33104.

The product of its digits is 36450000, while the sum is 58.

The spelling of 65599525345 in words is "sixty-five billion, five hundred ninety-nine million, five hundred twenty-five thousand, three hundred forty-five".