22543405512 has 32 divisors (see below), whose sum is σ = 56427209280. Its totient is φ = 7505309120.

The previous prime is 22543405501. The next prime is 22543405517. The reversal of 22543405512 is 21550434522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22543405517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552348 + ... + 591755.

It is an arithmetic number, because the mean of its divisors is an integer number (1763350290).

Almost surely, 2^22543405512 is an apocalyptic number.

It is an amenable number.

22543405512 is an abundant number, since it is smaller than the sum of its proper divisors (33883803768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22543405512 is a wasteful number, since it uses less digits than its factorization.

22543405512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144933 (or 1144929 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 22543405512 in words is "twenty-two billion, five hundred forty-three million, four hundred five thousand, five hundred twelve".