1113289044 has 24 divisors (see below), whose sum is σ = 2968771008. Its totient is φ = 318082560.

The previous prime is 1113288977. The next prime is 1113289057. The reversal of 1113289044 is 4409823111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1113288996 and 1113289014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6626637 + ... + 6626804.

It is an arithmetic number, because the mean of its divisors is an integer number (123698792).

Almost surely, 2^1113289044 is an apocalyptic number.

1113289044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1113289044 is an abundant number, since it is smaller than the sum of its proper divisors (1855481964).

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

1113289044 is a wasteful number, since it uses less digits than its factorization.

1113289044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13253455 (or 13253453 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1113289044 is about 33365.9863333905. The cubic root of 1113289044 is about 1036.4204613544.

The spelling of 1113289044 in words is "one billion, one hundred thirteen million, two hundred eighty-nine thousand, forty-four".