117213256352 has 12 divisors (see below), whose sum is σ = 230763598506. Its totient is φ = 58606628160.

The previous prime is 117213256331. The next prime is 117213256357. The reversal of 117213256352 is 253652312711.

It can be written as a sum of positive squares in only one way, i.e., 116994097936 + 219158416 = 342044^2 + 14804^2 .

It is not an unprimeable number, because it can be changed into a prime (117213256357) by changing a digit.

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 as a sum of consecutive naturals, namely, 1831457099 + ... + 1831457162.

Almost surely, 2^117213256352 is an apocalyptic number.

It is an amenable number.

117213256352 is a deficient number, since it is larger than the sum of its proper divisors (113550342154).

117213256352 is an equidigital number, since it uses as much as digits as its factorization.

117213256352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662914271 (or 3662914263 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The spelling of 117213256352 in words is "one hundred seventeen billion, two hundred thirteen million, two hundred fifty-six thousand, three hundred fifty-two".