51114146525 has 24 divisors (see below), whose sum is σ = 68309289384. Its totient is φ = 37716940800.

The previous prime is 51114146519. The next prime is 51114146543. The reversal of 51114146525 is 52564141115.

It can be written as a sum of positive squares in 12 ways, for example, as 7340719684 + 43773426841 = 85678^2 + 209221^2 .

It is not a de Polignac number, because 51114146525 - 2⁴ = 51114146509 is a prime.

It is a super-2 number, since 2×51114146525² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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, 369797 + ... + 488853.

It is an arithmetic number, because the mean of its divisors is an integer number (2846220391).

Almost surely, 2^51114146525 is an apocalyptic number.

It is an amenable number.

51114146525 is a deficient number, since it is larger than the sum of its proper divisors (17195142859).

51114146525 is a wasteful number, since it uses less digits than its factorization.

51114146525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120401 (or 120396 counting only the distinct ones).

The product of its digits is 24000, while the sum is 35.

The spelling of 51114146525 in words is "fifty-one billion, one hundred fourteen million, one hundred forty-six thousand, five hundred twenty-five".