51536411263 has 8 divisors (see below), whose sum is σ = 51855166800. Its totient is φ = 51217895808.

The previous prime is 51536411233. The next prime is 51536411279. The reversal of 51536411263 is 36211463515.

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 51536411263 - 2²⁵ = 51502856831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51536411233) 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, 380583 + ... + 497911.

It is an arithmetic number, because the mean of its divisors is an integer number (6481895850).

Almost surely, 2^51536411263 is an apocalyptic number.

51536411263 is a deficient number, since it is larger than the sum of its proper divisors (318755537).

51536411263 is a wasteful number, since it uses less digits than its factorization.

51536411263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120041.

The product of its digits is 64800, while the sum is 37.

Adding to 51536411263 its reverse (36211463515), we get a palindrome (87747874778).

The spelling of 51536411263 in words is "fifty-one billion, five hundred thirty-six million, four hundred eleven thousand, two hundred sixty-three".