1155942996 has 24 divisors (see below), whose sum is σ = 2904677664. Its totient is φ = 355674720.

The previous prime is 1155942989. The next prime is 1155943021. The reversal of 1155942996 is 6992495511.

It is a super-3 number, since 3×1155942996³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3704790 + ... + 3705101.

It is an arithmetic number, because the mean of its divisors is an integer number (121028236).

Almost surely, 2^1155942996 is an apocalyptic number.

It is an amenable number.

1155942996 is an abundant number, since it is smaller than the sum of its proper divisors (1748734668).

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

1155942996 is a wasteful number, since it uses less digits than its factorization.

1155942996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7409911 (or 7409909 counting only the distinct ones).

The product of its digits is 874800, while the sum is 51.

The square root of 1155942996 is about 33999.1616955477. The cubic root of 1155942996 is about 1049.4912110970.

The spelling of 1155942996 in words is "one billion, one hundred fifty-five million, nine hundred forty-two thousand, nine hundred ninety-six".