117856191911424 has 80 divisors (see below), whose sum is σ = 324104527887360. Its totient is φ = 38018126407680.

The previous prime is 117856191911377. The next prime is 117856191911443. The reversal of 117856191911424 is 424119191658711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237521604 + ... + 1237616835.

It is an arithmetic number, because the mean of its divisors is an integer number (4051306598592).

Almost surely, 2^{117856191911424} is an apocalyptic number.

It is an amenable number.

117856191911424 is an abundant number, since it is smaller than the sum of its proper divisors (206248335975936).

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

117856191911424 is an equidigital number, since it uses as much as digits as its factorization.

117856191911424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475138491 (or 2475138475 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 60.

The spelling of 117856191911424 in words is "one hundred seventeen trillion, eight hundred fifty-six billion, one hundred ninety-one million, nine hundred eleven thousand, four hundred twenty-four".