113894089820 has 192 divisors, whose sum is σ = 295360128000. Its totient is φ = 36773049600.

The previous prime is 113894089733. The next prime is 113894089849. The reversal of 113894089820 is 28980498311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22546295 + ... + 22551345.

It is an arithmetic number, because the mean of its divisors is an integer number (1538334000).

Almost surely, 2^113894089820 is an apocalyptic number.

113894089820 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 113894089820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147680064000).

113894089820 is an abundant number, since it is smaller than the sum of its proper divisors (181466038180).

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

113894089820 is a wasteful number, since it uses less digits than its factorization.

113894089820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 113894089820 in words is "one hundred thirteen billion, eight hundred ninety-four million, eighty-nine thousand, eight hundred twenty".