12016641551 has 2 divisors, whose sum is σ = 12016641552. Its totient is φ = 12016641550.

The previous prime is 12016641541. The next prime is 12016641563. The reversal of 12016641551 is 15514661021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12016641551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12016641541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6008320775 + 6008320776.

It is an arithmetic number, because the mean of its divisors is an integer number (6008320776).

Almost surely, 2^12016641551 is an apocalyptic number.

12016641551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12016641551 is an equidigital number, since it uses as much as digits as its factorization.

12016641551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 12016641551 in words is "twelve billion, sixteen million, six hundred forty-one thousand, five hundred fifty-one".