1115162444 has 24 divisors (see below), whose sum is σ = 2180875536. Its totient is φ = 494528000.

The previous prime is 1115162441. The next prime is 1115162449. The reversal of 1115162444 is 4442615111.

It is not an unprimeable number, because it can be changed into a prime (1115162441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307277 + ... + 310884.

It is an arithmetic number, because the mean of its divisors is an integer number (90869814).

Almost surely, 2^1115162444 is an apocalyptic number.

It is an amenable number.

1115162444 is a deficient number, since it is larger than the sum of its proper divisors (1065713092).

1115162444 is a wasteful number, since it uses less digits than its factorization.

1115162444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618217 (or 618215 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 1115162444 is about 33394.0480325462. The cubic root of 1115162444 is about 1037.0014850695.

Adding to 1115162444 its reverse (4442615111), we get a palindrome (5557777555).

The spelling of 1115162444 in words is "one billion, one hundred fifteen million, one hundred sixty-two thousand, four hundred forty-four".