1165225255 has 16 divisors (see below), whose sum is σ = 1476633600. Its totient is φ = 880256160.

The previous prime is 1165225247. The next prime is 1165225319. The reversal of 1165225255 is 5525225611.

It is not a de Polignac number, because 1165225255 - 2³ = 1165225247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1165225255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9826 + ... + 49264.

It is an arithmetic number, because the mean of its divisors is an integer number (92289600).

Almost surely, 2^1165225255 is an apocalyptic number.

1165225255 is a deficient number, since it is larger than the sum of its proper divisors (311408345).

1165225255 is a wasteful number, since it uses less digits than its factorization.

1165225255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39774.

The product of its digits is 30000, while the sum is 34.

The square root of 1165225255 is about 34135.3959256371. The cubic root of 1165225255 is about 1052.2928745378.

The spelling of 1165225255 in words is "one billion, one hundred sixty-five million, two hundred twenty-five thousand, two hundred fifty-five".