117191209752 has 64 divisors (see below), whose sum is σ = 342664368000. Its totient is φ = 37007749152.

The previous prime is 117191209699. The next prime is 117191209781. The reversal of 117191209752 is 257902191711.

117191209752 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 117191209698 and 117191209707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14273578 + ... + 14281785.

It is an arithmetic number, because the mean of its divisors is an integer number (5354130750).

Almost surely, 2^117191209752 is an apocalyptic number.

117191209752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117191209752 is an abundant number, since it is smaller than the sum of its proper divisors (225473158248).

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

117191209752 is a wasteful number, since it uses less digits than its factorization.

117191209752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28555397 (or 28555387 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 45.

The spelling of 117191209752 in words is "one hundred seventeen billion, one hundred ninety-one million, two hundred nine thousand, seven hundred fifty-two".