11324577889 has 3 divisors (see below), whose sum is σ = 11324684307. Its totient is φ = 11324471472.

The previous prime is 11324577877. The next prime is 11324577947. The reversal of 11324577889 is 98877542311.

The square root of 11324577889 is 106417.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 8703957025 + 2620620864 = 93295^2 + 51192^2 .

It is not a de Polignac number, because 11324577889 - 2⁵ = 11324577857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11324577989) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 53209 + ... + 159625.

It is an arithmetic number, because the mean of its divisors is an integer number (3774894769).

Almost surely, 2^11324577889 is an apocalyptic number.

11324577889 is the 106417-th square number.

11324577889 is the 53209-th centered octagonal number.

It is an amenable number.

11324577889 is a deficient number, since it is larger than the sum of its proper divisors (106418).

11324577889 is an frugal number, since it uses more digits than its factorization.

11324577889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212834 (or 106417 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The spelling of 11324577889 in words is "eleven billion, three hundred twenty-four million, five hundred seventy-seven thousand, eight hundred eighty-nine".