117983937899520 has 4224 divisors, whose sum is σ = 567344544399360. Its totient is φ = 22768964075520.

The previous prime is 117983937899483. The next prime is 117983937899537. The reversal of 117983937899520 is 25998739389711.

117983937899520 is a `hidden beast` number, since 1 + 1 + 7 + 9 + 8 + 3 + 9 + 3 + 7 + 89 + 9 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (4224).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 117983937899520.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 96470921629 + ... + 96470922851.

Almost surely, 2^{117983937899520} is an apocalyptic number.

117983937899520 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 117983937899520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283672272199680).

117983937899520 is an abundant number, since it is smaller than the sum of its proper divisors (449360606499840).

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

117983937899520 is a wasteful number, since it uses less digits than its factorization.

117983937899520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 1851776640, while the sum is 81.

The spelling of 117983937899520 in words is "one hundred seventeen trillion, nine hundred eighty-three billion, nine hundred thirty-seven million, eight hundred ninety-nine thousand, five hundred twenty".