117571854432 has 96 divisors (see below), whose sum is σ = 311226499584. Its totient is φ = 38860889600.

The previous prime is 117571854427. The next prime is 117571854443. The reversal of 117571854432 is 234458175711.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 20584057 + ... + 20589767.

It is an arithmetic number, because the mean of its divisors is an integer number (3241942704).

Almost surely, 2^117571854432 is an apocalyptic number.

117571854432 is a gapful number since it is divisible by the number (12) 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 117571854432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155613249792).

117571854432 is an abundant number, since it is smaller than the sum of its proper divisors (193654645152).

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

117571854432 is a wasteful number, since it uses less digits than its factorization.

117571854432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492 (or 7484 counting only the distinct ones).

The product of its digits is 940800, while the sum is 48.

The spelling of 117571854432 in words is "one hundred seventeen billion, five hundred seventy-one million, eight hundred fifty-four thousand, four hundred thirty-two".