113945087808 has 168 divisors, whose sum is σ = 347612515848. Its totient is φ = 35561668608.

The previous prime is 113945087807. The next prime is 113945087849. The reversal of 113945087808 is 808780549311.

113945087808 is a `hidden beast` number, since 1 + 1 + 39 + 450 + 87 + 80 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11242785024 + 102702302784 = 106032^2 + 320472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113945087807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1859710 + ... + 1920002.

Almost surely, 2^113945087808 is an apocalyptic number.

113945087808 is a gapful number since it is divisible by the number (18) 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 113945087808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173806257924).

113945087808 is an abundant number, since it is smaller than the sum of its proper divisors (233667428040).

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

113945087808 is a wasteful number, since it uses less digits than its factorization.

113945087808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60521 (or 60508 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 113945087808 in words is "one hundred thirteen billion, nine hundred forty-five million, eighty-seven thousand, eight hundred eight".