1240044001113 has 16 divisors (see below), whose sum is σ = 1667697844736. Its totient is φ = 819573845760.

The previous prime is 1240044001109. The next prime is 1240044001127. The reversal of 1240044001113 is 3111004400421.

It is not a de Polignac number, because 1240044001113 - 2² = 1240044001109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1240044001113.

It is not an unprimeable number, because it can be changed into a prime (1240044000113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3684370 + ... + 4006827.

It is an arithmetic number, because the mean of its divisors is an integer number (104231115296).

Almost surely, 2^{1240044001113} is an apocalyptic number.

It is an amenable number.

1240044001113 is a deficient number, since it is larger than the sum of its proper divisors (427653843623).

1240044001113 is a wasteful number, since it uses less digits than its factorization.

1240044001113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691664.

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

Adding to 1240044001113 its reverse (3111004400421), we get a palindrome (4351048401534).

The spelling of 1240044001113 in words is "one trillion, two hundred forty billion, forty-four million, one thousand, one hundred thirteen".