117191344490 has 16 divisors (see below), whose sum is σ = 230121185760. Its totient is φ = 42615034320.

The previous prime is 117191344489. The next prime is 117191344493. The reversal of 117191344490 is 94443191711.

It is a super-2 number, since 2×117191344490² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117191344493) 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, 532687820 + ... + 532688039.

It is an arithmetic number, because the mean of its divisors is an integer number (14382574110).

Almost surely, 2^117191344490 is an apocalyptic number.

117191344490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117191344490 is a deficient number, since it is larger than the sum of its proper divisors (112929841270).

117191344490 is a wasteful number, since it uses less digits than its factorization.

117191344490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065375877.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 117191344490 in words is "one hundred seventeen billion, one hundred ninety-one million, three hundred forty-four thousand, four hundred ninety".