12654233551 has 2 divisors, whose sum is σ = 12654233552. Its totient is φ = 12654233550.

The previous prime is 12654233533. The next prime is 12654233609. The reversal of 12654233551 is 15533245621.

12654233551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12654233551 - 2²³ = 12645844943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12654233551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12654233531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327116775 + 6327116776.

It is an arithmetic number, because the mean of its divisors is an integer number (6327116776).

Almost surely, 2^12654233551 is an apocalyptic number.

12654233551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12654233551 is an equidigital number, since it uses as much as digits as its factorization.

12654233551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

The spelling of 12654233551 in words is "twelve billion, six hundred fifty-four million, two hundred thirty-three thousand, five hundred fifty-one".