113555140440 has 64 divisors (see below), whose sum is σ = 389331912960. Its totient is φ = 25955460480.

The previous prime is 113555140429. The next prime is 113555140477. The reversal of 113555140440 is 44041555311.

It is a congruent number.

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, 67591506 + ... + 67593185.

It is an arithmetic number, because the mean of its divisors is an integer number (6083311140).

Almost surely, 2^113555140440 is an apocalyptic number.

113555140440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113555140440 is an abundant number, since it is smaller than the sum of its proper divisors (275776772520).

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

113555140440 is a wasteful number, since it uses less digits than its factorization.

113555140440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135184712 (or 135184708 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 113555140440 its reverse (44041555311), we get a palindrome (157596695751).

The spelling of 113555140440 in words is "one hundred thirteen billion, five hundred fifty-five million, one hundred forty thousand, four hundred forty".