51134325125 has 32 divisors (see below), whose sum is σ = 69851300064. Its totient is φ = 37141632000.

The previous prime is 51134325079. The next prime is 51134325233. The reversal of 51134325125 is 52152343115.

It can be written as a sum of positive squares in 16 ways, for example, as 51134324641 + 484 = 226129^2 + 22^2 .

It is not a de Polignac number, because 51134325125 - 2³⁰ = 50060583301 is a prime.

It is a super-2 number, since 2×51134325125² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51134325091 and 51134325100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158804 + ... + 357053.

It is an arithmetic number, because the mean of its divisors is an integer number (2182853127).

Almost surely, 2^51134325125 is an apocalyptic number.

It is an amenable number.

51134325125 is a deficient number, since it is larger than the sum of its proper divisors (18716974939).

51134325125 is a wasteful number, since it uses less digits than its factorization.

51134325125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515946 (or 515936 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The spelling of 51134325125 in words is "fifty-one billion, one hundred thirty-four million, three hundred twenty-five thousand, one hundred twenty-five".