22115254405345 has 8 divisors (see below), whose sum is σ = 26551169237376. Its totient is φ = 17683627556976.

The previous prime is 22115254405301. The next prime is 22115254405393. The reversal of 22115254405345 is 54350445251122.

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 22115254405345 - 2¹⁷ = 22115254274273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1071984567 + ... + 1072005196.

It is an arithmetic number, because the mean of its divisors is an integer number (3318896154672).

Almost surely, 2^{22115254405345} is an apocalyptic number.

It is an amenable number.

22115254405345 is a deficient number, since it is larger than the sum of its proper divisors (4435914832031).

22115254405345 is a wasteful number, since it uses less digits than its factorization.

22115254405345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143991831.

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 22115254405345 its reverse (54350445251122), we get a palindrome (76465699656467).

The spelling of 22115254405345 in words is "twenty-two trillion, one hundred fifteen billion, two hundred fifty-four million, four hundred five thousand, three hundred forty-five".