22361257543 has 2 divisors, whose sum is σ = 22361257544. Its totient is φ = 22361257542.

The previous prime is 22361257537. The next prime is 22361257591. The reversal of 22361257543 is 34575216322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22361257543 - 2²⁹ = 21824386631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22361257496 and 22361257505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22361257943) by changing a digit.

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 as a sum of consecutive naturals, namely, 11180628771 + 11180628772.

It is an arithmetic number, because the mean of its divisors is an integer number (11180628772).

Almost surely, 2^22361257543 is an apocalyptic number.

22361257543 is a deficient number, since it is larger than the sum of its proper divisors (1).

22361257543 is an equidigital number, since it uses as much as digits as its factorization.

22361257543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 40.

The spelling of 22361257543 in words is "twenty-two billion, three hundred sixty-one million, two hundred fifty-seven thousand, five hundred forty-three".