117227172154 has 16 divisors (see below), whose sum is σ = 185189467680. Its totient is φ = 55500480720.

The previous prime is 117227172151. The next prime is 117227172169. The reversal of 117227172154 is 451271722711.

It is not an unprimeable number, because it can be changed into a prime (117227172151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706812 + ... + 856759.

It is an arithmetic number, because the mean of its divisors is an integer number (11574341730).

Almost surely, 2^117227172154 is an apocalyptic number.

117227172154 is a deficient number, since it is larger than the sum of its proper divisors (67962295526).

117227172154 is a wasteful number, since it uses less digits than its factorization.

117227172154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565565.

The product of its digits is 54880, while the sum is 40.

Adding to 117227172154 its reverse (451271722711), we get a palindrome (568498894865).

The spelling of 117227172154 in words is "one hundred seventeen billion, two hundred twenty-seven million, one hundred seventy-two thousand, one hundred fifty-four".