65130442525 has 24 divisors (see below), whose sum is σ = 81838244160. Its totient is φ = 51412268160.

The previous prime is 65130442501. The next prime is 65130442529. The reversal of 65130442525 is 52524403156.

It is a de Polignac number, because none of the positive numbers 2^k-65130442525 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65130442529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053522 + ... + 1113628.

It is an arithmetic number, because the mean of its divisors is an integer number (3409926840).

Almost surely, 2^65130442525 is an apocalyptic number.

It is an amenable number.

65130442525 is a deficient number, since it is larger than the sum of its proper divisors (16707801635).

65130442525 is a wasteful number, since it uses less digits than its factorization.

65130442525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60693 (or 60688 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 65130442525 in words is "sixty-five billion, one hundred thirty million, four hundred forty-two thousand, five hundred twenty-five".