117550173645 has 32 divisors (see below), whose sum is σ = 218064096000. Its totient is φ = 59967623232.

The previous prime is 117550173607. The next prime is 117550173661. The reversal of 117550173645 is 546371055711.

117550173645 is a `hidden beast` number, since 1 + 1 + 75 + 501 + 7 + 36 + 45 = 666.

It is not a de Polignac number, because 117550173645 - 2²⁴ = 117533396429 is a prime.

It is a super-3 number, since 3×117550173645³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 117550173645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18926070 + ... + 18932279.

It is an arithmetic number, because the mean of its divisors is an integer number (6814503000).

Almost surely, 2^117550173645 is an apocalyptic number.

117550173645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117550173645 is a deficient number, since it is larger than the sum of its proper divisors (100513922355).

117550173645 is a wasteful number, since it uses less digits than its factorization.

117550173645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37858386 (or 37858380 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 117550173645 in words is "one hundred seventeen billion, five hundred fifty million, one hundred seventy-three thousand, six hundred forty-five".