22665140312543 has 2 divisors, whose sum is σ = 22665140312544. Its totient is φ = 22665140312542.

The previous prime is 22665140312533. The next prime is 22665140312653. The reversal of 22665140312543 is 34521304156622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22665140312543 - 2¹⁴ = 22665140296159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22665140312494 and 22665140312503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22665140312533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332570156271 + 11332570156272.

It is an arithmetic number, because the mean of its divisors is an integer number (11332570156272).

Almost surely, 2^{22665140312543} is an apocalyptic number.

22665140312543 is a deficient number, since it is larger than the sum of its proper divisors (1).

22665140312543 is an equidigital number, since it uses as much as digits as its factorization.

22665140312543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 22665140312543 in words is "twenty-two trillion, six hundred sixty-five billion, one hundred forty million, three hundred twelve thousand, five hundred forty-three".