117144846825 has 24 divisors (see below), whose sum is σ = 196854561216. Its totient is φ = 61453032000.

The previous prime is 117144846823. The next prime is 117144846827. The reversal of 117144846825 is 528648441711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117144846823) and next prime (117144846827).

It is not a de Polignac number, because 117144846825 - 2¹ = 117144846823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117144846823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12798141 + ... + 12807290.

It is an arithmetic number, because the mean of its divisors is an integer number (8202273384).

Almost surely, 2^117144846825 is an apocalyptic number.

117144846825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117144846825 is a deficient number, since it is larger than the sum of its proper divisors (79709714391).

117144846825 is a wasteful number, since it uses less digits than its factorization.

117144846825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25605505 (or 25605500 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The spelling of 117144846825 in words is "one hundred seventeen billion, one hundred forty-four million, eight hundred forty-six thousand, eight hundred twenty-five".