51043525525 has 48 divisors (see below), whose sum is σ = 67936611600. Its totient is φ = 37908725760.

The previous prime is 51043525493. The next prime is 51043525579. The reversal of 51043525525 is 52552534015.

It can be written as a sum of positive squares in 24 ways, for example, as 42826646916 + 8216878609 = 206946^2 + 90647^2 .

It is not a de Polignac number, because 51043525525 - 2⁵ = 51043525493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10791361 + ... + 10796089.

It is an arithmetic number, because the mean of its divisors is an integer number (1415346075).

Almost surely, 2^51043525525 is an apocalyptic number.

It is an amenable number.

51043525525 is a deficient number, since it is larger than the sum of its proper divisors (16893086075).

51043525525 is a wasteful number, since it uses less digits than its factorization.

51043525525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 51043525525 in words is "fifty-one billion, forty-three million, five hundred twenty-five thousand, five hundred twenty-five".