117725253850 has 24 divisors (see below), whose sum is σ = 218978690940. Its totient is φ = 47088011520.

The previous prime is 117725253839. The next prime is 117725253853. The reversal of 117725253850 is 58352527711.

It can be written as a sum of positive squares in 6 ways, for example, as 25886557449 + 91838696401 = 160893^2 + 303049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 117725253850.

It is not an unprimeable number, because it can be changed into a prime (117725253853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1607634 + ... + 1679266.

Almost surely, 2^117725253850 is an apocalyptic number.

117725253850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117725253850 is a deficient number, since it is larger than the sum of its proper divisors (101253437090).

117725253850 is a wasteful number, since it uses less digits than its factorization.

117725253850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104514 (or 104509 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 117725253850 in words is "one hundred seventeen billion, seven hundred twenty-five million, two hundred fifty-three thousand, eight hundred fifty".