51103013104 has 80 divisors (see below), whose sum is σ = 116372801664. Its totient is φ = 21432441600.

The previous prime is 51103013063. The next prime is 51103013219. The reversal of 51103013104 is 40131030115.

It is a super-2 number, since 2×51103013104² (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 15 ways as a sum of consecutive naturals, for example, 8332119 + ... + 8338249.

Almost surely, 2^51103013104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51103013104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58186400832).

51103013104 is an abundant number, since it is smaller than the sum of its proper divisors (65269788560).

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

51103013104 is a wasteful number, since it uses less digits than its factorization.

51103013104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9806 (or 9800 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 51103013104 its reverse (40131030115), we get a palindrome (91234043219).

The spelling of 51103013104 in words is "fifty-one billion, one hundred three million, thirteen thousand, one hundred four".