117101787609 has 4 divisors (see below), whose sum is σ = 156135716816. Its totient is φ = 78067858404.

The previous prime is 117101787571. The next prime is 117101787619. The reversal of 117101787609 is 906787101711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 117101787609 - 2¹⁷ = 117101656537 is a prime.

It is a super-2 number, since 2×117101787609² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117101787619) 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, 19516964599 + ... + 19516964604.

It is an arithmetic number, because the mean of its divisors is an integer number (39033929204).

Almost surely, 2^117101787609 is an apocalyptic number.

It is an amenable number.

117101787609 is a deficient number, since it is larger than the sum of its proper divisors (39033929207).

117101787609 is an equidigital number, since it uses as much as digits as its factorization.

117101787609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39033929206.

The product of its (nonzero) digits is 148176, while the sum is 48.

The spelling of 117101787609 in words is "one hundred seventeen billion, one hundred one million, seven hundred eighty-seven thousand, six hundred nine".