117237312155 has 8 divisors (see below), whose sum is σ = 141028749600. Its totient is φ = 93560533056.

The previous prime is 117237312151. The next prime is 117237312161. The reversal of 117237312155 is 551213732711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117237312155 - 2² = 117237312151 is a prime.

It is a super-2 number, since 2×117237312155² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117237312151) 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, 28662335 + ... + 28666424.

It is an arithmetic number, because the mean of its divisors is an integer number (17628593700).

Almost surely, 2^117237312155 is an apocalyptic number.

117237312155 is a deficient number, since it is larger than the sum of its proper divisors (23791437445).

117237312155 is an equidigital number, since it uses as much as digits as its factorization.

117237312155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57329173.

The product of its digits is 44100, while the sum is 38.

The spelling of 117237312155 in words is "one hundred seventeen billion, two hundred thirty-seven million, three hundred twelve thousand, one hundred fifty-five".