113440401012 has 24 divisors (see below), whose sum is σ = 264760538112. Its totient is φ = 37804000000.

The previous prime is 113440400993. The next prime is 113440401029. The reversal of 113440401012 is 210104044311.

It is a self number, because there is not a number n which added to its sum of digits gives 113440401012.

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, 1133364 + ... + 1229387.

It is an arithmetic number, because the mean of its divisors is an integer number (11031689088).

Almost surely, 2^113440401012 is an apocalyptic number.

113440401012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113440401012 is an abundant number, since it is smaller than the sum of its proper divisors (151320137100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113440401012 is a wasteful number, since it uses less digits than its factorization.

113440401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366759 (or 2366757 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 113440401012 its reverse (210104044311), we get a palindrome (323544445323).

The spelling of 113440401012 in words is "one hundred thirteen billion, four hundred forty million, four hundred one thousand, twelve".