117133215531 has 16 divisors (see below), whose sum is σ = 157871447328. Its totient is φ = 77242752000.

The previous prime is 117133215503. The next prime is 117133215541. The reversal of 117133215531 is 135512331711.

It is not a de Polignac number, because 117133215531 - 2⁷ = 117133215403 is a prime.

It is a super-2 number, since 2×117133215531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117133215492 and 117133215501.

It is not an unprimeable number, because it can be changed into a prime (117133215541) 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, 447321 + ... + 659061.

It is an arithmetic number, because the mean of its divisors is an integer number (9866965458).

Almost surely, 2^117133215531 is an apocalyptic number.

117133215531 is a deficient number, since it is larger than the sum of its proper divisors (40738231797).

117133215531 is a wasteful number, since it uses less digits than its factorization.

117133215531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213742.

The product of its digits is 9450, while the sum is 33.

The spelling of 117133215531 in words is "one hundred seventeen billion, one hundred thirty-three million, two hundred fifteen thousand, five hundred thirty-one".