1155115204 has 12 divisors (see below), whose sum is σ = 2023676928. Its totient is φ = 576921800.

The previous prime is 1155115189. The next prime is 1155115217. The reversal of 1155115204 is 4025115511.

It is a super-2 number, since 2×1155115204² = 2668582269023923232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154852 + ... + 162139.

It is an arithmetic number, because the mean of its divisors is an integer number (168639744).

Almost surely, 2^1155115204 is an apocalyptic number.

It is an amenable number.

1155115204 is a deficient number, since it is larger than the sum of its proper divisors (868561724).

1155115204 is a wasteful number, since it uses less digits than its factorization.

1155115204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317906 (or 317904 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1155115204 is about 33986.9858033925. The cubic root of 1155115204 is about 1049.2406312983.

The spelling of 1155115204 in words is "one billion, one hundred fifty-five million, one hundred fifteen thousand, two hundred four".