51105822263 has 8 divisors (see below), whose sum is σ = 54507028032. Its totient is φ = 47748503296.

The previous prime is 51105822203. The next prime is 51105822301. The reversal of 51105822263 is 36222850115.

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

It is not a de Polignac number, because 51105822263 - 2¹⁴ = 51105805879 is a prime.

It is a super-2 number, since 2×51105822263² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105822203) 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, 10969295 + ... + 10973952.

It is an arithmetic number, because the mean of its divisors is an integer number (6813378504).

Almost surely, 2^51105822263 is an apocalyptic number.

51105822263 is a deficient number, since it is larger than the sum of its proper divisors (3401205769).

51105822263 is a wasteful number, since it uses less digits than its factorization.

51105822263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21943401.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 51105822263 in words is "fifty-one billion, one hundred five million, eight hundred twenty-two thousand, two hundred sixty-three".