22256661011611 has 8 divisors (see below), whose sum is σ = 23971174618160. Its totient is φ = 20542499227872.

The previous prime is 22256661011609. The next prime is 22256661011621. The reversal of 22256661011611 is 11611016665222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22256661011611 - 2¹ = 22256661011609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22256661011621) 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 7 ways as a sum of consecutive naturals, for example, 87824301 + ... + 88077358.

It is an arithmetic number, because the mean of its divisors is an integer number (2996396827270).

Almost surely, 2^{22256661011611} is an apocalyptic number.

22256661011611 is a deficient number, since it is larger than the sum of its proper divisors (1714513606549).

22256661011611 is a wasteful number, since it uses less digits than its factorization.

22256661011611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175911405.

The product of its (nonzero) digits is 51840, while the sum is 40.

Adding to 22256661011611 its reverse (11611016665222), we get a palindrome (33867677676833).

The spelling of 22256661011611 in words is "twenty-two trillion, two hundred fifty-six billion, six hundred sixty-one million, eleven thousand, six hundred eleven".