12031325563 has 2 divisors, whose sum is σ = 12031325564. Its totient is φ = 12031325562.

The previous prime is 12031325543. The next prime is 12031325573. The reversal of 12031325563 is 36552313021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12031325563 is a prime.

It is not a weakly prime, because it can be changed into another prime (12031325513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015662781 + 6015662782.

It is an arithmetic number, because the mean of its divisors is an integer number (6015662782).

Almost surely, 2^12031325563 is an apocalyptic number.

12031325563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031325563 is an equidigital number, since it uses as much as digits as its factorization.

12031325563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 12031325563 its reverse (36552313021), we get a palindrome (48583638584).

The spelling of 12031325563 in words is "twelve billion, thirty-one million, three hundred twenty-five thousand, five hundred sixty-three".