113129642768 has 20 divisors (see below), whose sum is σ = 219395302668. Its totient is φ = 56511500160.

The previous prime is 113129642749. The next prime is 113129642809. The reversal of 113129642768 is 867246921311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86537165584 + 26592477184 = 294172^2 + 163072^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3315071 + ... + 3349022.

Almost surely, 2^113129642768 is an apocalyptic number.

It is an amenable number.

113129642768 is a deficient number, since it is larger than the sum of its proper divisors (106265659900).

113129642768 is a wasteful number, since it uses less digits than its factorization.

113129642768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665162 (or 6665156 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The spelling of 113129642768 in words is "one hundred thirteen billion, one hundred twenty-nine million, six hundred forty-two thousand, seven hundred sixty-eight".