51104320404 has 24 divisors (see below), whose sum is σ = 119323538880. Its totient is φ = 17023327104.

The previous prime is 51104320391. The next prime is 51104320409. The reversal of 51104320404 is 40402340115.

It is a super-2 number, since 2×51104320404² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104320409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412184 + ... + 1447919.

It is an arithmetic number, because the mean of its divisors is an integer number (4971814120).

Almost surely, 2^51104320404 is an apocalyptic number.

It is an amenable number.

51104320404 is an abundant number, since it is smaller than the sum of its proper divisors (68219218476).

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

51104320404 is a wasteful number, since it uses less digits than its factorization.

51104320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861599 (or 2861597 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 51104320404 its reverse (40402340115), we get a palindrome (91506660519).

The spelling of 51104320404 in words is "fifty-one billion, one hundred four million, three hundred twenty thousand, four hundred four".