117145744011375 has 16 divisors (see below), whose sum is σ = 194930518035552. Its totient is φ = 62477730139200.

The previous prime is 117145744011371. The next prime is 117145744011431. The reversal of 117145744011375 is 573110447541711.

It is not a de Polignac number, because 117145744011375 - 2² = 117145744011371 is a prime.

It is a super-2 number, since 2×117145744011375² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117145744011371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156194324974 + ... + 156194325723.

It is an arithmetic number, because the mean of its divisors is an integer number (12183157377222).

Almost surely, 2^{117145744011375} is an apocalyptic number.

117145744011375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117145744011375 is a deficient number, since it is larger than the sum of its proper divisors (77784774024177).

117145744011375 is an equidigital number, since it uses as much as digits as its factorization.

117145744011375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312388650715 (or 312388650705 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 117145744011375 in words is "one hundred seventeen trillion, one hundred forty-five billion, seven hundred forty-four million, eleven thousand, three hundred seventy-five".