1113656312440 has 64 divisors (see below), whose sum is σ = 2890451174400. Its totient is φ = 378256553088.

The previous prime is 1113656312407. The next prime is 1113656312443. The reversal of 1113656312440 is 442136563111.

It is a self number, because there is not a number n which added to its sum of digits gives 1113656312440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113656312443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18555760 + ... + 18615679.

It is an arithmetic number, because the mean of its divisors is an integer number (45163299600).

Almost surely, 2^{1113656312440} is an apocalyptic number.

1113656312440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113656312440 is an abundant number, since it is smaller than the sum of its proper divisors (1776794861960).

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

1113656312440 is a wasteful number, since it uses less digits than its factorization.

1113656312440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37171564 (or 37171560 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 1113656312440 in words is "one trillion, one hundred thirteen billion, six hundred fifty-six million, three hundred twelve thousand, four hundred forty".