1130956811 has 4 divisors (see below), whose sum is σ = 1145272800. Its totient is φ = 1116640824.

The previous prime is 1130956793. The next prime is 1130956829. The reversal of 1130956811 is 1186590311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1186590311 = 1093 ⋅1085627.

It is an interprime number because it is at equal distance from previous prime (1130956793) and next prime (1130956829).

It is a cyclic number.

It is not a de Polignac number, because 1130956811 - 2⁶ = 1130956747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130956831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7157876 + ... + 7158033.

It is an arithmetic number, because the mean of its divisors is an integer number (286318200).

Almost surely, 2^1130956811 is an apocalyptic number.

1130956811 is a deficient number, since it is larger than the sum of its proper divisors (14315989).

1130956811 is an equidigital number, since it uses as much as digits as its factorization.

1130956811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14315988.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 1130956811 is about 33629.7013218970. The cubic root of 1130956811 is about 1041.8743353797.

The spelling of 1130956811 in words is "one billion, one hundred thirty million, nine hundred fifty-six thousand, eight hundred eleven".