1113448533638 has 96 divisors (see below), whose sum is σ = 2126282400000. Its totient is φ = 434290393152.

The previous prime is 1113448533611. The next prime is 1113448533641. The reversal of 1113448533638 is 8363358443111.

It is a super-2 number, since 2×1113448533638² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10693793 + ... + 10797411.

It is an arithmetic number, because the mean of its divisors is an integer number (22148775000).

Almost surely, 2^{1113448533638} is an apocalyptic number.

1113448533638 is a deficient number, since it is larger than the sum of its proper divisors (1012833866362).

1113448533638 is a wasteful number, since it uses less digits than its factorization.

1113448533638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103882 (or 103875 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The spelling of 1113448533638 in words is "one trillion, one hundred thirteen billion, four hundred forty-eight million, five hundred thirty-three thousand, six hundred thirty-eight".