117225515609 has 4 divisors (see below), whose sum is σ = 117291263616. Its totient is φ = 117159767604.

The previous prime is 117225515599. The next prime is 117225515651. The reversal of 117225515609 is 906515522711.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117225515609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117225515609.

It is not an unprimeable number, because it can be changed into a prime (117225512609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32871329 + ... + 32874894.

It is an arithmetic number, because the mean of its divisors is an integer number (29322815904).

Almost surely, 2^117225515609 is an apocalyptic number.

It is an amenable number.

117225515609 is a deficient number, since it is larger than the sum of its proper divisors (65748007).

117225515609 is an equidigital number, since it uses as much as digits as its factorization.

117225515609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65748006.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 117225515609 in words is "one hundred seventeen billion, two hundred twenty-five million, five hundred fifteen thousand, six hundred nine".