11233248991 has 4 divisors (see below), whose sum is σ = 11241766800. Its totient is φ = 11224731184.

The previous prime is 11233248937. The next prime is 11233248997. The reversal of 11233248991 is 19984233211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11233248991 - 2⁹ = 11233248479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233248997) 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, 4256926 + ... + 4259563.

It is an arithmetic number, because the mean of its divisors is an integer number (2810441700).

Almost surely, 2^11233248991 is an apocalyptic number.

11233248991 is a deficient number, since it is larger than the sum of its proper divisors (8517809).

11233248991 is an equidigital number, since it uses as much as digits as its factorization.

11233248991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517808.

The product of its digits is 93312, while the sum is 43.

The spelling of 11233248991 in words is "eleven billion, two hundred thirty-three million, two hundred forty-eight thousand, nine hundred ninety-one".