51000550105599 has 12 divisors (see below), whose sum is σ = 73702557747000. Its totient is φ = 33984168360144.

The previous prime is 51000550105481. The next prime is 51000550105627. The reversal of 51000550105599 is 99550105500015.

51000550105599 is a `hidden beast` number, since 5 + 1 + 0 + 0 + 0 + 5 + 50 + 1 + 0 + 5 + 599 = 666.

It is not a de Polignac number, because 51000550105599 - 2¹⁷ = 51000549974527 is a prime.

It is a super-2 number, since 2×51000550105599² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51000550125599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1349844804 + ... + 1349882585.

It is an arithmetic number, because the mean of its divisors is an integer number (6141879812250).

Almost surely, 2^{51000550105599} is an apocalyptic number.

51000550105599 is a deficient number, since it is larger than the sum of its proper divisors (22702007641401).

51000550105599 is a wasteful number, since it uses less digits than its factorization.

51000550105599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699729494 (or 2699729491 counting only the distinct ones).

The product of its (nonzero) digits is 253125, while the sum is 45.

The spelling of 51000550105599 in words is "fifty-one trillion, five hundred fifty million, one hundred five thousand, five hundred ninety-nine".