117171235137 has 32 divisors (see below), whose sum is σ = 170810228736. Its totient is φ = 70855020800.

The previous prime is 117171235117. The next prime is 117171235169. The reversal of 117171235137 is 731532171711.

It is a cyclic number.

It is not a de Polignac number, because 117171235137 - 2⁶ = 117171235073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117171235095 and 117171235104.

It is not an unprimeable number, because it can be changed into a prime (117171235117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38758408 + ... + 38761430.

It is an arithmetic number, because the mean of its divisors is an integer number (5337819648).

Almost surely, 2^117171235137 is an apocalyptic number.

It is an amenable number.

117171235137 is a deficient number, since it is larger than the sum of its proper divisors (53638993599).

117171235137 is a wasteful number, since it uses less digits than its factorization.

117171235137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261.

The product of its digits is 30870, while the sum is 39.

The spelling of 117171235137 in words is "one hundred seventeen billion, one hundred seventy-one million, two hundred thirty-five thousand, one hundred thirty-seven".