22056125311 has 4 divisors (see below), whose sum is σ = 24061227624. Its totient is φ = 20051023000.

The previous prime is 22056125309. The next prime is 22056125323. The reversal of 22056125311 is 11352165022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22056125311 - 2¹ = 22056125309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22056125311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056125341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002551140 + ... + 1002551161.

It is an arithmetic number, because the mean of its divisors is an integer number (6015306906).

Almost surely, 2^22056125311 is an apocalyptic number.

22056125311 is a deficient number, since it is larger than the sum of its proper divisors (2005102313).

22056125311 is a wasteful number, since it uses less digits than its factorization.

22056125311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005102312.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 22056125311 in words is "twenty-two billion, fifty-six million, one hundred twenty-five thousand, three hundred eleven".