22541041521 has 12 divisors (see below), whose sum is σ = 32739170100. Its totient is φ = 14944335840.

The previous prime is 22541041517. The next prime is 22541041559. The reversal of 22541041521 is 12514014522.

It is a happy number.

22541041521 is a `hidden beast` number, since 225 + 4 + 1 + 0 + 415 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8781751521 + 13759290000 = 93711^2 + 117300^2 .

It is not a de Polignac number, because 22541041521 - 2² = 22541041517 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22541041121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6917046 + ... + 6920303.

It is an arithmetic number, because the mean of its divisors is an integer number (2728264175).

Almost surely, 2^22541041521 is an apocalyptic number.

It is an amenable number.

22541041521 is a deficient number, since it is larger than the sum of its proper divisors (10198128579).

22541041521 is a wasteful number, since it uses less digits than its factorization.

22541041521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837536 (or 13837533 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 22541041521 in words is "twenty-two billion, five hundred forty-one million, forty-one thousand, five hundred twenty-one".