51125414535 has 24 divisors (see below), whose sum is σ = 95434108224. Its totient is φ = 25169434560.

The previous prime is 51125414533. The next prime is 51125414597. The reversal of 51125414535 is 53541452115.

51125414535 is a `hidden beast` number, since 5 + 112 + 5 + 4 + 1 + 4 + 535 = 666.

It is not a de Polignac number, because 51125414535 - 2¹ = 51125414533 is a prime.

It is a super-2 number, since 2×51125414535² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51125414535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51125414533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43696351 + ... + 43697520.

It is an arithmetic number, because the mean of its divisors is an integer number (3976421176).

Almost surely, 2^51125414535 is an apocalyptic number.

51125414535 is a deficient number, since it is larger than the sum of its proper divisors (44308693689).

51125414535 is a wasteful number, since it uses less digits than its factorization.

51125414535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87393895 (or 87393892 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 51125414535 in words is "fifty-one billion, one hundred twenty-five million, four hundred fourteen thousand, five hundred thirty-five".