11225643213 has 32 divisors (see below), whose sum is σ = 16276480000. Its totient is φ = 6855710400.

The previous prime is 11225643211. The next prime is 11225643227. The reversal of 11225643213 is 31234652211.

It is not a de Polignac number, because 11225643213 - 2¹ = 11225643211 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225643211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4082163 + ... + 4084911.

It is an arithmetic number, because the mean of its divisors is an integer number (508640000).

Almost surely, 2^11225643213 is an apocalyptic number.

It is an amenable number.

11225643213 is a deficient number, since it is larger than the sum of its proper divisors (5050836787).

11225643213 is a wasteful number, since it uses less digits than its factorization.

11225643213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113.

The product of its digits is 8640, while the sum is 30.

The spelling of 11225643213 in words is "eleven billion, two hundred twenty-five million, six hundred forty-three thousand, two hundred thirteen".