11322631589 has 4 divisors (see below), whose sum is σ = 11350867980. Its totient is φ = 11294395200.

The previous prime is 11322631547. The next prime is 11322631591. The reversal of 11322631589 is 98513622311.

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 7320171364 + 4002460225 = 85558^2 + 63265^2 .

It is a cyclic number.

It is not a de Polignac number, because 11322631589 - 2¹⁶ = 11322566053 is a prime.

It is a super-2 number, since 2×11322631589² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322637589) 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, 14117594 + ... + 14118395.

It is an arithmetic number, because the mean of its divisors is an integer number (2837716995).

Almost surely, 2^11322631589 is an apocalyptic number.

It is an amenable number.

11322631589 is a deficient number, since it is larger than the sum of its proper divisors (28236391).

11322631589 is an equidigital number, since it uses as much as digits as its factorization.

11322631589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28236390.

The product of its digits is 77760, while the sum is 41.

The spelling of 11322631589 in words is "eleven billion, three hundred twenty-two million, six hundred thirty-one thousand, five hundred eighty-nine".