117481018 has 4 divisors (see below), whose sum is σ = 176221530. Its totient is φ = 58740508.

The previous prime is 117481003. The next prime is 117481057. The reversal of 117481018 is 810184711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89359209 + 28121809 = 9453^2 + 5303^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29370253 + ... + 29370256.

Almost surely, 2^117481018 is an apocalyptic number.

117481018 is a deficient number, since it is larger than the sum of its proper divisors (58740512).

117481018 is an equidigital number, since it uses as much as digits as its factorization.

117481018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58740511.

The product of its (nonzero) digits is 1792, while the sum is 31.

The square root of 117481018 is about 10838.8660846050. The cubic root of 117481018 is about 489.7666777551.

The spelling of 117481018 in words is "one hundred seventeen million, four hundred eighty-one thousand, eighteen".