12050661563 has 2 divisors, whose sum is σ = 12050661564. Its totient is φ = 12050661562.

The previous prime is 12050661541. The next prime is 12050661577. The reversal of 12050661563 is 36516605021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12050661563 - 2⁸ = 12050661307 is a prime.

It is not a weakly prime, because it can be changed into another prime (12050661583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6025330781 + 6025330782.

It is an arithmetic number, because the mean of its divisors is an integer number (6025330782).

Almost surely, 2^12050661563 is an apocalyptic number.

12050661563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12050661563 is an equidigital number, since it uses as much as digits as its factorization.

12050661563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 12050661563 in words is "twelve billion, fifty million, six hundred sixty-one thousand, five hundred sixty-three".