51000434022525 has 96 divisors (see below), whose sum is σ = 94493613688320. Its totient is φ = 24108338983680.

The previous prime is 51000434022509. The next prime is 51000434022583. The reversal of 51000434022525 is 52522043400015.

It is a happy number.

It is not a de Polignac number, because 51000434022525 - 2⁴ = 51000434022509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7835479 + ... + 12782628.

It is an arithmetic number, because the mean of its divisors is an integer number (984308475920).

Almost surely, 2^{51000434022525} is an apocalyptic number.

It is an amenable number.

51000434022525 is a deficient number, since it is larger than the sum of its proper divisors (43493179665795).

51000434022525 is a wasteful number, since it uses less digits than its factorization.

51000434022525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20618235 (or 20618230 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 51000434022525 in words is "fifty-one trillion, four hundred thirty-four million, twenty-two thousand, five hundred twenty-five".