65565313603025 has 12 divisors (see below), whose sum is σ = 81301407054000. Its totient is φ = 52451981084880.

The previous prime is 65565313602991. The next prime is 65565313603039. The reversal of 65565313603025 is 52030631356556.

It is not a de Polignac number, because 65565313603025 - 2⁸ = 65565313602769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1713815 + ... + 11578764.

It is an arithmetic number, because the mean of its divisors is an integer number (6775117254500).

Almost surely, 2^{65565313603025} is an apocalyptic number.

It is an amenable number.

65565313603025 is a deficient number, since it is larger than the sum of its proper divisors (15736093450975).

65565313603025 is a wasteful number, since it uses less digits than its factorization.

65565313603025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13489888 (or 13489883 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 50.

The spelling of 65565313603025 in words is "sixty-five trillion, five hundred sixty-five billion, three hundred thirteen million, six hundred three thousand, twenty-five".