22155260011 has 4 divisors (see below), whose sum is σ = 22155854112. Its totient is φ = 22154665912.

The previous prime is 22155260009. The next prime is 22155260027. The reversal of 22155260011 is 11006255122.

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 22155260011 - 2¹ = 22155260009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22155260411) 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, 237076 + ... + 317041.

It is an arithmetic number, because the mean of its divisors is an integer number (5538963528).

Almost surely, 2^22155260011 is an apocalyptic number.

22155260011 is a deficient number, since it is larger than the sum of its proper divisors (594101).

22155260011 is an equidigital number, since it uses as much as digits as its factorization.

22155260011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594100.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 22155260011 in words is "twenty-two billion, one hundred fifty-five million, two hundred sixty thousand, eleven".