117155525 has 12 divisors (see below), whose sum is σ = 145517472. Its totient is φ = 93566640.

The previous prime is 117155509. The next prime is 117155531. The reversal of 117155525 is 525551711.

It is not a de Polignac number, because 117155525 - 2⁴ = 117155509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117155491 and 117155500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12554 + ... + 19796.

It is an arithmetic number, because the mean of its divisors is an integer number (12126456).

Almost surely, 2^117155525 is an apocalyptic number.

It is an amenable number.

117155525 is a deficient number, since it is larger than the sum of its proper divisors (28361947).

117155525 is an equidigital number, since it uses as much as digits as its factorization.

117155525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900 (or 7895 counting only the distinct ones).

The product of its digits is 8750, while the sum is 32.

The square root of 117155525 is about 10823.8405845615. The cubic root of 117155525 is about 489.3139434022.

The spelling of 117155525 in words is "one hundred seventeen million, one hundred fifty-five thousand, five hundred twenty-five".