65207125525 has 24 divisors (see below), whose sum is σ = 85129596000. Its totient is φ = 49410187200.

The previous prime is 65207125469. The next prime is 65207125537. The reversal of 65207125525 is 52552170256.

It is not a de Polignac number, because 65207125525 - 2⁹ = 65207125013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3072651 + ... + 3093799.

It is an arithmetic number, because the mean of its divisors is an integer number (3547066500).

Almost surely, 2^65207125525 is an apocalyptic number.

It is an amenable number.

65207125525 is a deficient number, since it is larger than the sum of its proper divisors (19922470475).

65207125525 is a wasteful number, since it uses less digits than its factorization.

65207125525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27669 (or 27664 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 65207125525 in words is "sixty-five billion, two hundred seven million, one hundred twenty-five thousand, five hundred twenty-five".