22536121015445 has 8 divisors (see below), whose sum is σ = 27199665134136. Its totient is φ = 17924683535296.

The previous prime is 22536121015427. The next prime is 22536121015469. The reversal of 22536121015445 is 54451012163522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7023724353361 + 15512396662084 = 2650231^2 + 3938578^2 .

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 22536121015445 - 2³⁶ = 22467401538709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13026658682 + ... + 13026660411.

It is an arithmetic number, because the mean of its divisors is an integer number (3399958141767).

Almost surely, 2^{22536121015445} is an apocalyptic number.

It is an amenable number.

22536121015445 is a deficient number, since it is larger than the sum of its proper divisors (4663544118691).

22536121015445 is a wasteful number, since it uses less digits than its factorization.

22536121015445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26053319271.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 22536121015445 its reverse (54451012163522), we get a palindrome (76987133178967).

The spelling of 22536121015445 in words is "twenty-two trillion, five hundred thirty-six billion, one hundred twenty-one million, fifteen thousand, four hundred forty-five".