51099416180 has 24 divisors (see below), whose sum is σ = 107320123680. Its totient is φ = 20437604640.

The previous prime is 51099416117. The next prime is 51099416197. The reversal of 51099416180 is 8161499015.

It is a super-2 number, since 2×51099416180² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66011 + ... + 326429.

It is an arithmetic number, because the mean of its divisors is an integer number (4471671820).

Almost surely, 2^51099416180 is an apocalyptic number.

It is an amenable number.

51099416180 is an abundant number, since it is smaller than the sum of its proper divisors (56220707500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51099416180 is a wasteful number, since it uses less digits than its factorization.

51099416180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270239 (or 270237 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 51099416180 in words is "fifty-one billion, ninety-nine million, four hundred sixteen thousand, one hundred eighty".