22505113304151 has 32 divisors (see below), whose sum is σ = 31615728579072. Its totient is φ = 14211849738240.

The previous prime is 22505113304143. The next prime is 22505113304161. The reversal of 22505113304151 is 15140331150522.

It is not a de Polignac number, because 22505113304151 - 2³ = 22505113304143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22505113304111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7826991 + ... + 10308831.

It is an arithmetic number, because the mean of its divisors is an integer number (987991518096).

Almost surely, 2^{22505113304151} is an apocalyptic number.

22505113304151 is a deficient number, since it is larger than the sum of its proper divisors (9110615274921).

22505113304151 is a wasteful number, since it uses less digits than its factorization.

22505113304151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483143.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 22505113304151 its reverse (15140331150522), we get a palindrome (37645444454673).

The spelling of 22505113304151 in words is "twenty-two trillion, five hundred five billion, one hundred thirteen million, three hundred four thousand, one hundred fifty-one".