1156633625 has 16 divisors (see below), whose sum is σ = 1649691264. Its totient is φ = 793119600.

The previous prime is 1156633613. The next prime is 1156633631. The reversal of 1156633625 is 5263366511.

It is not a de Polignac number, because 1156633625 - 2⁴ = 1156633609 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 660059 + ... + 661808.

It is an arithmetic number, because the mean of its divisors is an integer number (103105704).

Almost surely, 2^1156633625 is an apocalyptic number.

It is an amenable number.

1156633625 is a deficient number, since it is larger than the sum of its proper divisors (493057639).

1156633625 is an equidigital number, since it uses as much as digits as its factorization.

1156633625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321889 (or 1321879 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 1156633625 is about 34009.3167382116. The cubic root of 1156633625 is about 1049.7001789464.

The spelling of 1156633625 in words is "one billion, one hundred fifty-six million, six hundred thirty-three thousand, six hundred twenty-five".