117105297892 has 12 divisors (see below), whose sum is σ = 223564659696. Its totient is φ = 53229680840.

The previous prime is 117105297877. The next prime is 117105297917. The reversal of 117105297892 is 298792501711.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330741978 + ... + 1330742065.

It is an arithmetic number, because the mean of its divisors is an integer number (18630388308).

Almost surely, 2^117105297892 is an apocalyptic number.

It is an amenable number.

117105297892 is a deficient number, since it is larger than the sum of its proper divisors (106459361804).

117105297892 is a wasteful number, since it uses less digits than its factorization.

117105297892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661484058 (or 2661484056 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 52.

The spelling of 117105297892 in words is "one hundred seventeen billion, one hundred five million, two hundred ninety-seven thousand, eight hundred ninety-two".