51560411100 has 144 divisors (see below), whose sum is σ = 164089664256. Its totient is φ = 12499396800.

The previous prime is 51560411099. The next prime is 51560411113. The reversal of 51560411100 is 111406515.

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 in 47 ways as a sum of consecutive naturals, for example, 334737 + ... + 463863.

Almost surely, 2^51560411100 is an apocalyptic number.

51560411100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51560411100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82044832128).

51560411100 is an abundant number, since it is smaller than the sum of its proper divisors (112529253156).

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

51560411100 is a wasteful number, since it uses less digits than its factorization.

51560411100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129177 (or 129148 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 51560411100 its reverse (111406515), we get a palindrome (51671817615).

The spelling of 51560411100 in words is "fifty-one billion, five hundred sixty million, four hundred eleven thousand, one hundred".