22611265051 has 2 divisors, whose sum is σ = 22611265052. Its totient is φ = 22611265050.

The previous prime is 22611265043. The next prime is 22611265073. The reversal of 22611265051 is 15056211622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22611265051 - 2³ = 22611265043 is a prime.

It is a super-2 number, since 2×22611265051² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22611265031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11305632525 + 11305632526.

It is an arithmetic number, because the mean of its divisors is an integer number (11305632526).

Almost surely, 2^22611265051 is an apocalyptic number.

22611265051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22611265051 is an equidigital number, since it uses as much as digits as its factorization.

22611265051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 22611265051 its reverse (15056211622), we get a palindrome (37667476673).

The spelling of 22611265051 in words is "twenty-two billion, six hundred eleven million, two hundred sixty-five thousand, fifty-one".