51100244992 has 22 divisors (see below), whose sum is σ = 102150589448. Its totient is φ = 25550121984.

The previous prime is 51100244989. The next prime is 51100245023. The reversal of 51100244992 is 29944200115.

It is a super-2 number, since 2×51100244992² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24950268 + ... + 24952315.

Almost surely, 2^51100244992 is an apocalyptic number.

It is an amenable number.

51100244992 is a deficient number, since it is larger than the sum of its proper divisors (51050344456).

51100244992 is an equidigital number, since it uses as much as digits as its factorization.

51100244992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49902603 (or 49902585 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 51100244992 in words is "fifty-one billion, one hundred million, two hundred forty-four thousand, nine hundred ninety-two".