22143055244551 has 2 divisors, whose sum is σ = 22143055244552. Its totient is φ = 22143055244550.

The previous prime is 22143055244543. The next prime is 22143055244573. The reversal of 22143055244551 is 15544255034122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22143055244551 - 2³ = 22143055244543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22143055244498 and 22143055244507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22143055244521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071527622275 + 11071527622276.

It is an arithmetic number, because the mean of its divisors is an integer number (11071527622276).

Almost surely, 2^{22143055244551} is an apocalyptic number.

22143055244551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143055244551 is an equidigital number, since it uses as much as digits as its factorization.

22143055244551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 22143055244551 in words is "twenty-two trillion, one hundred forty-three billion, fifty-five million, two hundred forty-four thousand, five hundred fifty-one".