51375125858137 has 8 divisors (see below), whose sum is σ = 51420119962176. Its totient is φ = 51330146910672.

The previous prime is 51375125858113. The next prime is 51375125858191. The reversal of 51375125858137 is 73185852157315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51375125858137 - 2³⁹ = 50825370044249 is a prime.

It is a super-2 number, since 2×51375125858137² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51375125858197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998398 + ... + 10570744.

It is an arithmetic number, because the mean of its divisors is an integer number (6427514995272).

Almost surely, 2^{51375125858137} is an apocalyptic number.

It is an amenable number.

51375125858137 is a deficient number, since it is larger than the sum of its proper divisors (44994104039).

51375125858137 is a wasteful number, since it uses less digits than its factorization.

51375125858137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578287.

The product of its digits is 35280000, while the sum is 61.

The spelling of 51375125858137 in words is "fifty-one trillion, three hundred seventy-five billion, one hundred twenty-five million, eight hundred fifty-eight thousand, one hundred thirty-seven".