1156807225 has 24 divisors (see below), whose sum is σ = 1650255488. Its totient is φ = 787968000.

The previous prime is 1156807219. The next prime is 1156807247. The reversal of 1156807225 is 5227086511.

It is not a de Polignac number, because 1156807225 - 2⁹ = 1156806713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4537 + ... + 48313.

Almost surely, 2^1156807225 is an apocalyptic number.

It is an amenable number.

1156807225 is a deficient number, since it is larger than the sum of its proper divisors (493448263).

1156807225 is a wasteful number, since it uses less digits than its factorization.

1156807225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43945 (or 43940 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 1156807225 is about 34011.8688842586. The cubic root of 1156807225 is about 1049.7526930790.

The spelling of 1156807225 in words is "one billion, one hundred fifty-six million, eight hundred seven thousand, two hundred twenty-five".