108415812500 has 84 divisors (see below), whose sum is σ = 237887580000. Its totient is φ = 43232700000.

The previous prime is 108415812443. The next prime is 108415812509. The reversal of 108415812500 is 5218514801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108415812509) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 21685001 + ... + 21689999.

It is an arithmetic number, because the mean of its divisors is an integer number (2831995000).

Almost surely, 2^108415812500 is an apocalyptic number.

108415812500 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 108415812500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118943790000).

108415812500 is an abundant number, since it is smaller than the sum of its proper divisors (129471767500).

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

108415812500 is an frugal number, since it uses more digits than its factorization.

108415812500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 5353 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 35.

The spelling of 108415812500 in words is "one hundred eight billion, four hundred fifteen million, eight hundred twelve thousand, five hundred".