1565232110243 has 2 divisors, whose sum is σ = 1565232110244. Its totient is φ = 1565232110242.

The previous prime is 1565232110149. The next prime is 1565232110297. The reversal of 1565232110243 is 3420112325651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1565232110243 - 2¹² = 1565232106147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1565232110443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782616055121 + 782616055122.

It is an arithmetic number, because the mean of its divisors is an integer number (782616055122).

Almost surely, 2^{1565232110243} is an apocalyptic number.

1565232110243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1565232110243 is an equidigital number, since it uses as much as digits as its factorization.

1565232110243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 1565232110243 its reverse (3420112325651), we get a palindrome (4985344435894).

The spelling of 1565232110243 in words is "one trillion, five hundred sixty-five billion, two hundred thirty-two million, one hundred ten thousand, two hundred forty-three".