65072235525 has 24 divisors (see below), whose sum is σ = 117366651744. Its totient is φ = 31550174400.

The previous prime is 65072235509. The next prime is 65072235541. The reversal of 65072235525 is 52553227056.

It is an interprime number because it is at equal distance from previous prime (65072235509) and next prime (65072235541).

It is not a de Polignac number, because 65072235525 - 2⁴ = 65072235509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39436894 + ... + 39438543.

It is an arithmetic number, because the mean of its divisors is an integer number (4890277156).

Almost surely, 2^65072235525 is an apocalyptic number.

It is an amenable number.

65072235525 is a deficient number, since it is larger than the sum of its proper divisors (52294416219).

65072235525 is a wasteful number, since it uses less digits than its factorization.

65072235525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78875461 (or 78875456 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 42.

The spelling of 65072235525 in words is "sixty-five billion, seventy-two million, two hundred thirty-five thousand, five hundred twenty-five".