113894721788 has 24 divisors (see below), whose sum is σ = 204745049712. Its totient is φ = 55396773504.

The previous prime is 113894721739. The next prime is 113894721793. The reversal of 113894721788 is 887127498311.

113894721788 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660920 + ... + 815232.

It is an arithmetic number, because the mean of its divisors is an integer number (8531043738).

Almost surely, 2^113894721788 is an apocalyptic number.

It is an amenable number.

113894721788 is a deficient number, since it is larger than the sum of its proper divisors (90850327924).

113894721788 is a wasteful number, since it uses less digits than its factorization.

113894721788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159341 (or 159339 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 59.

The spelling of 113894721788 in words is "one hundred thirteen billion, eight hundred ninety-four million, seven hundred twenty-one thousand, seven hundred eighty-eight".