12440311063 has 2 divisors, whose sum is σ = 12440311064. Its totient is φ = 12440311062.

The previous prime is 12440311031. The next prime is 12440311087. The reversal of 12440311063 is 36011304421.

It is a strong prime.

It is an emirp because it is prime and its reverse (36011304421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12440311063 - 2⁵ = 12440311031 is a prime.

It is a super-2 number, since 2×12440311063² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440311003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220155531 + 6220155532.

It is an arithmetic number, because the mean of its divisors is an integer number (6220155532).

Almost surely, 2^12440311063 is an apocalyptic number.

12440311063 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440311063 is an equidigital number, since it uses as much as digits as its factorization.

12440311063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12440311063 its reverse (36011304421), we get a palindrome (48451615484).

The spelling of 12440311063 in words is "twelve billion, four hundred forty million, three hundred eleven thousand, sixty-three".