22561341463156 has 12 divisors (see below), whose sum is σ = 39497129439040. Its totient is φ = 11276447337720.

The previous prime is 22561341463151. The next prime is 22561341463189. The reversal of 22561341463156 is 65136414316522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22561341463151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055836446 + ... + 1055857813.

Almost surely, 2^{22561341463156} is an apocalyptic number.

It is an amenable number.

22561341463156 is a deficient number, since it is larger than the sum of its proper divisors (16935787975884).

22561341463156 is a wasteful number, since it uses less digits than its factorization.

22561341463156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111696934 (or 2111696932 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

Adding to 22561341463156 its reverse (65136414316522), we get a palindrome (87697755779678).

The spelling of 22561341463156 in words is "twenty-two trillion, five hundred sixty-one billion, three hundred forty-one million, four hundred sixty-three thousand, one hundred fifty-six".