113112144240 has 80 divisors (see below), whose sum is σ = 350712294048. Its totient is φ = 30157677568.

The previous prime is 113112144227. The next prime is 113112144247. The reversal of 113112144240 is 42441211311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 113112144240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112144247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354582 + ... + 1435658.

Almost surely, 2^113112144240 is an apocalyptic number.

113112144240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113112144240 is an abundant number, since it is smaller than the sum of its proper divisors (237600149808).

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

113112144240 is a wasteful number, since it uses less digits than its factorization.

113112144240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86906 (or 86900 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 113112144240 its reverse (42441211311), we get a palindrome (155553355551).

The spelling of 113112144240 in words is "one hundred thirteen billion, one hundred twelve million, one hundred forty-four thousand, two hundred forty".