1113499044 has 72 divisors (see below), whose sum is σ = 3320565248. Its totient is φ = 307877760.

The previous prime is 1113499019. The next prime is 1113499067. The reversal of 1113499044 is 4409943111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63457 + ... + 79080.

Almost surely, 2^1113499044 is an apocalyptic number.

1113499044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1113499044 is an abundant number, since it is smaller than the sum of its proper divisors (2207066204).

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

1113499044 is a wasteful number, since it uses less digits than its factorization.

1113499044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142585 (or 142580 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1113499044 is about 33369.1331023148. The cubic root of 1113499044 is about 1036.4856240104.

The spelling of 1113499044 in words is "one billion, one hundred thirteen million, four hundred ninety-nine thousand, forty-four".