1156291852 has 12 divisors (see below), whose sum is σ = 2037092400. Its totient is φ = 574265456.

The previous prime is 1156291837. The next prime is 1156291867. The reversal of 1156291852 is 2581926511.

It is an interprime number because it is at equal distance from previous prime (1156291837) and next prime (1156291867).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969448 + ... + 970639.

It is an arithmetic number, because the mean of its divisors is an integer number (169757700).

Almost surely, 2^1156291852 is an apocalyptic number.

It is an amenable number.

1156291852 is a deficient number, since it is larger than the sum of its proper divisors (880800548).

1156291852 is a wasteful number, since it uses less digits than its factorization.

1156291852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940240 (or 1940238 counting only the distinct ones).

The product of its digits is 43200, while the sum is 40.

The square root of 1156291852 is about 34004.2916703171. The cubic root of 1156291852 is about 1049.5967769950.

The spelling of 1156291852 in words is "one billion, one hundred fifty-six million, two hundred ninety-one thousand, eight hundred fifty-two".