117637253246 has 4 divisors (see below), whose sum is σ = 176455879872. Its totient is φ = 58818626622.

The previous prime is 117637253213. The next prime is 117637253257. The reversal of 117637253246 is 642352736711.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 117637253246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29409313310 + ... + 29409313313.

It is an arithmetic number, because the mean of its divisors is an integer number (44113969968).

Almost surely, 2^117637253246 is an apocalyptic number.

117637253246 is a deficient number, since it is larger than the sum of its proper divisors (58818626626).

117637253246 is an equidigital number, since it uses as much as digits as its factorization.

117637253246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58818626625.

The product of its digits is 1270080, while the sum is 47.

Adding to 117637253246 its reverse (642352736711), we get a palindrome (759989989957).

The spelling of 117637253246 in words is "one hundred seventeen billion, six hundred thirty-seven million, two hundred fifty-three thousand, two hundred forty-six".