51142112525 has 12 divisors (see below), whose sum is σ = 72475679712. Its totient is φ = 35068877040.

The previous prime is 51142112471. The next prime is 51142112531. The reversal of 51142112525 is 52521124115.

It is not a de Polignac number, because 51142112525 - 2¹⁴ = 51142096141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146120147 + ... + 146120496.

It is an arithmetic number, because the mean of its divisors is an integer number (6039639976).

Almost surely, 2^51142112525 is an apocalyptic number.

It is an amenable number.

51142112525 is a deficient number, since it is larger than the sum of its proper divisors (21333567187).

51142112525 is a wasteful number, since it uses less digits than its factorization.

51142112525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292240660 (or 292240655 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The spelling of 51142112525 in words is "fifty-one billion, one hundred forty-two million, one hundred twelve thousand, five hundred twenty-five".