1255163356 has 12 divisors (see below), whose sum is σ = 2217862192. Its totient is φ = 621488448.

The previous prime is 1255163339. The next prime is 1255163411. The reversal of 1255163356 is 6533615521.

It is a congruent number.

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, 1522845 + ... + 1523668.

Almost surely, 2^1255163356 is an apocalyptic number.

It is an amenable number.

1255163356 is a deficient number, since it is larger than the sum of its proper divisors (962698836).

1255163356 is a wasteful number, since it uses less digits than its factorization.

1255163356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046620 (or 3046618 counting only the distinct ones).

The product of its digits is 81000, while the sum is 37.

The square root of 1255163356 is about 35428.2846889318. The cubic root of 1255163356 is about 1078.6985225627.

Adding to 1255163356 its reverse (6533615521), we get a palindrome (7788778877).

The spelling of 1255163356 in words is "one billion, two hundred fifty-five million, one hundred sixty-three thousand, three hundred fifty-six".