1115545044 has 48 divisors (see below), whose sum is σ = 2749429760. Its totient is φ = 351479520.

The previous prime is 1115545033. The next prime is 1115545069. The reversal of 1115545044 is 4405455111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18874 + ... + 50865.

Almost surely, 2^1115545044 is an apocalyptic number.

It is an amenable number.

1115545044 is an abundant number, since it is smaller than the sum of its proper divisors (1633884716).

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

1115545044 is a wasteful number, since it uses less digits than its factorization.

1115545044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69820 (or 69818 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 1115545044 is about 33399.7761070340. The cubic root of 1115545044 is about 1037.1200661201.

The spelling of 1115545044 in words is "one billion, one hundred fifteen million, five hundred forty-five thousand, forty-four".