51117722024 has 16 divisors (see below), whose sum is σ = 96098625600. Its totient is φ = 25491421872.

The previous prime is 51117722021. The next prime is 51117722039. The reversal of 51117722024 is 42022771115.

It is a super-2 number, since 2×51117722024² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51117722021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8426672 + ... + 8432735.

It is an arithmetic number, because the mean of its divisors is an integer number (6006164100).

Almost surely, 2^51117722024 is an apocalyptic number.

It is an amenable number.

51117722024 is a deficient number, since it is larger than the sum of its proper divisors (44980903576).

51117722024 is a wasteful number, since it uses less digits than its factorization.

51117722024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16859792 (or 16859788 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 51117722024 in words is "fifty-one billion, one hundred seventeen million, seven hundred twenty-two thousand, twenty-four".