11261544323 has 4 divisors (see below), whose sum is σ = 11261998560. Its totient is φ = 11261090088.

The previous prime is 11261544319. The next prime is 11261544373. The reversal of 11261544323 is 32344516211.

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 11261544323 - 2² = 11261544319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11261544323.

It is not an unprimeable number, because it can be changed into a prime (11261544373) 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, 187643 + ... + 240276.

It is an arithmetic number, because the mean of its divisors is an integer number (2815499640).

Almost surely, 2^11261544323 is an apocalyptic number.

11261544323 is a deficient number, since it is larger than the sum of its proper divisors (454237).

11261544323 is an equidigital number, since it uses as much as digits as its factorization.

11261544323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454236.

The product of its digits is 17280, while the sum is 32.

The spelling of 11261544323 in words is "eleven billion, two hundred sixty-one million, five hundred forty-four thousand, three hundred twenty-three".