104431112500 has 288 divisors, whose sum is σ = 275791098240. Its totient is φ = 34084800000.

The previous prime is 104431112419. The next prime is 104431112521. The reversal of 104431112500 is 5211134401.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66136711 + ... + 66138289.

It is an arithmetic number, because the mean of its divisors is an integer number (957607980).

Almost surely, 2^104431112500 is an apocalyptic number.

104431112500 is a gapful number since it is divisible by the number (10) 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 104431112500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137895549120).

104431112500 is an abundant number, since it is smaller than the sum of its proper divisors (171359985740).

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

104431112500 is a wasteful number, since it uses less digits than its factorization.

104431112500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 104431112500 its reverse (5211134401), we get a palindrome (109642246901).

The spelling of 104431112500 in words is "one hundred four billion, four hundred thirty-one million, one hundred twelve thousand, five hundred".