11322663641 has 4 divisors (see below), whose sum is σ = 11323051572. Its totient is φ = 11322275712.

The previous prime is 11322663631. The next prime is 11322663647. The reversal of 11322663641 is 14636622311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9369465616 + 1953198025 = 96796^2 + 44195^2 .

It is a cyclic number.

It is not a de Polignac number, because 11322663641 - 2²⁶ = 11255554777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11322663647) 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, 146276 + ... + 209861.

It is an arithmetic number, because the mean of its divisors is an integer number (2830762893).

Almost surely, 2^11322663641 is an apocalyptic number.

It is an amenable number.

11322663641 is a deficient number, since it is larger than the sum of its proper divisors (387931).

11322663641 is an equidigital number, since it uses as much as digits as its factorization.

11322663641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387930.

The product of its digits is 31104, while the sum is 35.

The spelling of 11322663641 in words is "eleven billion, three hundred twenty-two million, six hundred sixty-three thousand, six hundred forty-one".