11328232811 has 4 divisors (see below), whose sum is σ = 12946551792. Its totient is φ = 9709913832.

The previous prime is 11328232789. The next prime is 11328232813. The reversal of 11328232811 is 11823282311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11823282311 = 3169 ⋅3730919.

It is a cyclic number.

It is not a de Polignac number, because 11328232811 - 2¹⁰ = 11328231787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11328232813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809159480 + ... + 809159493.

It is an arithmetic number, because the mean of its divisors is an integer number (3236637948).

Almost surely, 2^11328232811 is an apocalyptic number.

11328232811 is a deficient number, since it is larger than the sum of its proper divisors (1618318981).

11328232811 is an equidigital number, since it uses as much as digits as its factorization.

11328232811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618318980.

The product of its digits is 4608, while the sum is 32.

The spelling of 11328232811 in words is "eleven billion, three hundred twenty-eight million, two hundred thirty-two thousand, eight hundred eleven".