51502342131131 has 8 divisors (see below), whose sum is σ = 54228485640000. Its totient is φ = 48777748014600.

The previous prime is 51502342131083. The next prime is 51502342131143. The reversal of 51502342131131 is 13113124320515.

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 51502342131131 - 2³⁸ = 51227464224187 is a prime.

It is a super-5 number, since 5×51502342131131⁵ (a number of 70 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51502342131931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387279845 + ... + 387412806.

It is an arithmetic number, because the mean of its divisors is an integer number (6778560705000).

Almost surely, 2^{51502342131131} is an apocalyptic number.

51502342131131 is a deficient number, since it is larger than the sum of its proper divisors (2726143508869).

51502342131131 is a wasteful number, since it uses less digits than its factorization.

51502342131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774696169.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 51502342131131 its reverse (13113124320515), we get a palindrome (64615466451646).

The spelling of 51502342131131 in words is "fifty-one trillion, five hundred two billion, three hundred forty-two million, one hundred thirty-one thousand, one hundred thirty-one".