117641017499 has 4 divisors (see below), whose sum is σ = 117996428760. Its totient is φ = 117285606240.

The previous prime is 117641017489. The next prime is 117641017541. The reversal of 117641017499 is 994710146711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117641017499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117641017489) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 177705134 + ... + 177705795.

It is an arithmetic number, because the mean of its divisors is an integer number (29499107190).

Almost surely, 2^117641017499 is an apocalyptic number.

117641017499 is a deficient number, since it is larger than the sum of its proper divisors (355411261).

117641017499 is an equidigital number, since it uses as much as digits as its factorization.

117641017499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355411260.

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 117641017499 in words is "one hundred seventeen billion, six hundred forty-one million, seventeen thousand, four hundred ninety-nine".