65525525363089 has 64 divisors (see below), whose sum is σ = 77760274268160. Its totient is φ = 54553396423680.

The previous prime is 65525525363069. The next prime is 65525525363099. The reversal of 65525525363089 is 98036352552556.

It is a happy number.

It is not a de Polignac number, because 65525525363089 - 2⁵ = 65525525363057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65525525363089.

It is not an unprimeable number, because it can be changed into a prime (65525525363069) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 364290994 + ... + 364470820.

It is an arithmetic number, because the mean of its divisors is an integer number (1215004285440).

Almost surely, 2^{65525525363089} is an apocalyptic number.

It is an amenable number.

65525525363089 is a deficient number, since it is larger than the sum of its proper divisors (12234748905071).

65525525363089 is a wasteful number, since it uses less digits than its factorization.

65525525363089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180278.

The product of its (nonzero) digits is 291600000, while the sum is 64.

The spelling of 65525525363089 in words is "sixty-five trillion, five hundred twenty-five billion, five hundred twenty-five million, three hundred sixty-three thousand, eighty-nine".