11322661213 has 4 divisors (see below), whose sum is σ = 11329196508. Its totient is φ = 11316125920.

The previous prime is 11322661211. The next prime is 11322661219. The reversal of 11322661213 is 31216622311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31216622311 = 7 ⋅4459517473.

It can be written as a sum of positive squares in 2 ways, for example, as 7008536089 + 4314125124 = 83717^2 + 65682^2 .

It is a cyclic number.

It is not a de Polignac number, because 11322661213 - 2¹ = 11322661211 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 (11322661211) 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, 3265048 + ... + 3268513.

It is an arithmetic number, because the mean of its divisors is an integer number (2832299127).

Almost surely, 2^11322661213 is an apocalyptic number.

It is an amenable number.

11322661213 is a deficient number, since it is larger than the sum of its proper divisors (6535295).

11322661213 is an equidigital number, since it uses as much as digits as its factorization.

11322661213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535294.

The product of its digits is 2592, while the sum is 28.

The spelling of 11322661213 in words is "eleven billion, three hundred twenty-two million, six hundred sixty-one thousand, two hundred thirteen".