1113444919538 has 8 divisors (see below), whose sum is σ = 1908762719232. Its totient is φ = 477190679796.

The previous prime is 1113444919501. The next prime is 1113444919589. The reversal of 1113444919538 is 8359194443111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113444919538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39765889970 + ... + 39765889997.

It is an arithmetic number, because the mean of its divisors is an integer number (238595339904).

Almost surely, 2^{1113444919538} is an apocalyptic number.

1113444919538 is a deficient number, since it is larger than the sum of its proper divisors (795317799694).

1113444919538 is an equidigital number, since it uses as much as digits as its factorization.

1113444919538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79531779976.

The product of its digits is 1866240, while the sum is 53.

The spelling of 1113444919538 in words is "one trillion, one hundred thirteen billion, four hundred forty-four million, nine hundred nineteen thousand, five hundred thirty-eight".