117993049538 has 32 divisors (see below), whose sum is σ = 229298240640. Its totient is φ = 44221800960.

The previous prime is 117993049513. The next prime is 117993049553. The reversal of 117993049538 is 835940399711.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17057423 + ... + 17064338.

It is an arithmetic number, because the mean of its divisors is an integer number (7165570020).

Almost surely, 2^117993049538 is an apocalyptic number.

117993049538 is a deficient number, since it is larger than the sum of its proper divisors (111305191102).

117993049538 is a wasteful number, since it uses less digits than its factorization.

117993049538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34121802.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 117993049538 in words is "one hundred seventeen billion, nine hundred ninety-three million, forty-nine thousand, five hundred thirty-eight".