113991593549278 has 16 divisors (see below), whose sum is σ = 173263645542240. Its totient is φ = 56239675024896.

The previous prime is 113991593549227. The next prime is 113991593549287. The reversal of 113991593549278 is 872945395199311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657410451 + ... + 657583822.

It is an arithmetic number, because the mean of its divisors is an integer number (10828977846390).

Almost surely, 2^{113991593549278} is an apocalyptic number.

113991593549278 is a deficient number, since it is larger than the sum of its proper divisors (59272051992962).

113991593549278 is a wasteful number, since it uses less digits than its factorization.

113991593549278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314994851.

The product of its digits is 661348800, while the sum is 76.

The spelling of 113991593549278 in words is "one hundred thirteen trillion, nine hundred ninety-one billion, five hundred ninety-three million, five hundred forty-nine thousand, two hundred seventy-eight".