1131093856 has 24 divisors (see below), whose sum is σ = 2227632624. Its totient is φ = 565345920.

The previous prime is 1131093853. The next prime is 1131093863. The reversal of 1131093856 is 6583901311.

It is a super-2 number, since 2×1131093856² = 2558746622161897472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131093851) 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, 131941 + ... + 140251.

It is an arithmetic number, because the mean of its divisors is an integer number (92818026).

Almost surely, 2^1131093856 is an apocalyptic number.

1131093856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1131093856 is a deficient number, since it is larger than the sum of its proper divisors (1096538768).

1131093856 is an equidigital number, since it uses as much as digits as its factorization.

1131093856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12574 (or 12566 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1131093856 is about 33631.7388191571. The cubic root of 1131093856 is about 1041.9164171226.

The spelling of 1131093856 in words is "one billion, one hundred thirty-one million, ninety-three thousand, eight hundred fifty-six".