51104345100 has 72 divisors (see below), whose sum is σ = 147928271568. Its totient is φ = 13621708800.

The previous prime is 51104345069. The next prime is 51104345107. The reversal of 51104345100 is 154340115.

It is a happy number.

It is a super-2 number, since 2×51104345100² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51104345107) 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 23 ways as a sum of consecutive naturals, for example, 652020 + ... + 726180.

Almost surely, 2^51104345100 is an apocalyptic number.

51104345100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51104345100 is an abundant number, since it is smaller than the sum of its proper divisors (96823926468).

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

51104345100 is a wasteful number, since it uses less digits than its factorization.

51104345100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76475 (or 76468 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 51104345100 its reverse (154340115), we get a palindrome (51258685215).

The spelling of 51104345100 in words is "fifty-one billion, one hundred four million, three hundred forty-five thousand, one hundred".