1113175044 has 36 divisors (see below), whose sum is σ = 2889912844. Its totient is φ = 361029312.

The previous prime is 1113175039. The next prime is 1113175087. The reversal of 1113175044 is 4405713111.

It can be written as a sum of positive squares in 2 ways, for example, as 963357444 + 149817600 = 31038^2 + 12240^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1113174999 and 1113175017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416527 + ... + 419190.

Almost surely, 2^1113175044 is an apocalyptic number.

It is an amenable number.

1113175044 is an abundant number, since it is smaller than the sum of its proper divisors (1776737800).

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

1113175044 is a wasteful number, since it uses less digits than its factorization.

1113175044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835764 (or 835759 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1113175044 is about 33364.2779631150. The cubic root of 1113175044 is about 1036.3850839094.

Adding to 1113175044 its reverse (4405713111), we get a palindrome (5518888155).

The spelling of 1113175044 in words is "one billion, one hundred thirteen million, one hundred seventy-five thousand, forty-four".