22153412505 has 16 divisors (see below), whose sum is σ = 40509097344. Its totient is φ = 10127274240.

The previous prime is 22153412503. The next prime is 22153412507. The reversal of 22153412505 is 50521435122.

It is an interprime number because it is at equal distance from previous prime (22153412503) and next prime (22153412507).

It is not a de Polignac number, because 22153412505 - 2¹ = 22153412503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22153412503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105492336 + ... + 105492545.

It is an arithmetic number, because the mean of its divisors is an integer number (2531818584).

Almost surely, 2^22153412505 is an apocalyptic number.

It is an amenable number.

22153412505 is a deficient number, since it is larger than the sum of its proper divisors (18355684839).

22153412505 is a wasteful number, since it uses less digits than its factorization.

22153412505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210984896.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 22153412505 its reverse (50521435122), we get a palindrome (72674847627).

The spelling of 22153412505 in words is "twenty-two billion, one hundred fifty-three million, four hundred twelve thousand, five hundred five".