117205570000 has 100 divisors (see below), whose sum is σ = 284076766336. Its totient is φ = 46830960000.

The previous prime is 117205569979. The next prime is 117205570003. The reversal of 117205570000 is 75502711.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117205570003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9904087 + ... + 9915913.

Almost surely, 2^117205570000 is an apocalyptic number.

117205570000 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 117205570000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142038383168).

117205570000 is an abundant number, since it is smaller than the sum of its proper divisors (166871196336).

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

117205570000 is an equidigital number, since it uses as much as digits as its factorization.

117205570000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12846 (or 12825 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The spelling of 117205570000 in words is "one hundred seventeen billion, two hundred five million, five hundred seventy thousand".