1111130256 has 20 divisors (see below), whose sum is σ = 2870419952. Its totient is φ = 370376736.

The previous prime is 1111130233. The next prime is 1111130257. The reversal of 1111130256 is 6520311111.

It is a happy number.

It is a super-2 number, since 2×1111130256² = 2469220891597251072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111130257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11574226 + ... + 11574321.

Almost surely, 2^1111130256 is an apocalyptic number.

1111130256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1111130256 is an abundant number, since it is smaller than the sum of its proper divisors (1759289696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111130256 is a wasteful number, since it uses less digits than its factorization.

1111130256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23148558 (or 23148552 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1111130256 is about 33333.6205054296. The cubic root of 1111130256 is about 1035.7501173792.

Adding to 1111130256 its reverse (6520311111), we get a palindrome (7631441367).

The spelling of 1111130256 in words is "one billion, one hundred eleven million, one hundred thirty thousand, two hundred fifty-six".