1158208225 has 36 divisors (see below), whose sum is σ = 1512288624. Its totient is φ = 879439680.

The previous prime is 1158208193. The next prime is 1158208229. The reversal of 1158208225 is 5228028511.

It is a happy number.

It is not a de Polignac number, because 1158208225 - 2⁵ = 1158208193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158208229) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1471282 + ... + 1472068.

Almost surely, 2^1158208225 is an apocalyptic number.

It is an amenable number.

1158208225 is a deficient number, since it is larger than the sum of its proper divisors (354080399).

1158208225 is an equidigital number, since it uses as much as digits as its factorization.

1158208225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 1158208225 is about 34032.4584037063. The cubic root of 1158208225 is about 1050.1763044844.

The spelling of 1158208225 in words is "one billion, one hundred fifty-eight million, two hundred eight thousand, two hundred twenty-five".