51153125751 has 80 divisors (see below), whose sum is σ = 94409086464. Its totient is φ = 26878257216.

The previous prime is 51153125747. The next prime is 51153125773. The reversal of 51153125751 is 15752135115.

51153125751 is a `hidden beast` number, since 51 + 1 + 5 + 31 + 2 + 575 + 1 = 666.

It is not a de Polignac number, because 51153125751 - 2² = 51153125747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51153125711) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1925380 + ... + 1951766.

Almost surely, 2^51153125751 is an apocalyptic number.

51153125751 is a deficient number, since it is larger than the sum of its proper divisors (43255960713).

51153125751 is a wasteful number, since it uses less digits than its factorization.

51153125751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26682 (or 26673 counting only the distinct ones).

The product of its digits is 26250, while the sum is 36.

The spelling of 51153125751 in words is "fifty-one billion, one hundred fifty-three million, one hundred twenty-five thousand, seven hundred fifty-one".