117571870418 has 4 divisors (see below), whose sum is σ = 176357805630. Its totient is φ = 58785935208.

The previous prime is 117571870399. The next prime is 117571870433. The reversal of 117571870418 is 814078175711.

It is a happy number.

117571870418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 75511192849 + 42060677569 = 274793^2 + 205087^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29392967603 + ... + 29392967606.

Almost surely, 2^117571870418 is an apocalyptic number.

117571870418 is a deficient number, since it is larger than the sum of its proper divisors (58785935212).

117571870418 is an equidigital number, since it uses as much as digits as its factorization.

117571870418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58785935211.

The product of its (nonzero) digits is 439040, while the sum is 50.

The spelling of 117571870418 in words is "one hundred seventeen billion, five hundred seventy-one million, eight hundred seventy thousand, four hundred eighteen".