117729509952 has 56 divisors (see below), whose sum is σ = 315879918912. Its totient is φ = 38690444800.

The previous prime is 117729509921. The next prime is 117729509959. The reversal of 117729509952 is 259905927711.

It is a junction number, because it is equal to n+sod(n) for n = 117729509892 and 117729509901.

It is not an unprimeable number, because it can be changed into a prime (117729509959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4304499 + ... + 4331762.

Almost surely, 2^117729509952 is an apocalyptic number.

117729509952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117729509952 is an abundant number, since it is smaller than the sum of its proper divisors (198150408960).

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

117729509952 is an equidigital number, since it uses as much as digits as its factorization.

117729509952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636347 (or 8636337 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 57.

The spelling of 117729509952 in words is "one hundred seventeen billion, seven hundred twenty-nine million, five hundred nine thousand, nine hundred fifty-two".