108521500400 has 120 divisors (see below), whose sum is σ = 265276961664. Its totient is φ = 42656889600.

The previous prime is 108521500397. The next prime is 108521500433. The reversal of 108521500400 is 4005125801.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 108521500400.

It is a congruent number.

It is an unprimeable number.

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, 5387147 + ... + 5407253.

Almost surely, 2^108521500400 is an apocalyptic number.

108521500400 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 108521500400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132638480832).

108521500400 is an abundant number, since it is smaller than the sum of its proper divisors (156755461264).

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

108521500400 is a wasteful number, since it uses less digits than its factorization.

108521500400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20359 (or 20348 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 108521500400 in words is "one hundred eight billion, five hundred twenty-one million, five hundred thousand, four hundred".