65131426200525 has 24 divisors (see below), whose sum is σ = 109509109822560. Its totient is φ = 34148001983040.

The previous prime is 65131426200457. The next prime is 65131426200539. The reversal of 65131426200525 is 52500262413156.

It is not a de Polignac number, because 65131426200525 - 2¹¹ = 65131426198477 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, 7359478762 + ... + 7359487611.

It is an arithmetic number, because the mean of its divisors is an integer number (4562879575940).

Almost surely, 2^{65131426200525} is an apocalyptic number.

It is an amenable number.

65131426200525 is a deficient number, since it is larger than the sum of its proper divisors (44377683622035).

65131426200525 is a wasteful number, since it uses less digits than its factorization.

65131426200525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14718966445 (or 14718966440 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 65131426200525 in words is "sixty-five trillion, one hundred thirty-one billion, four hundred twenty-six million, two hundred thousand, five hundred twenty-five".