12615453667 has 2 divisors, whose sum is σ = 12615453668. Its totient is φ = 12615453666.

The previous prime is 12615453661. The next prime is 12615453677. The reversal of 12615453667 is 76635451621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12615453667 is a prime.

It is not a weakly prime, because it can be changed into another prime (12615453661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6307726833 + 6307726834.

It is an arithmetic number, because the mean of its divisors is an integer number (6307726834).

Almost surely, 2^12615453667 is an apocalyptic number.

12615453667 is a deficient number, since it is larger than the sum of its proper divisors (1).

12615453667 is an equidigital number, since it uses as much as digits as its factorization.

12615453667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 46.

The spelling of 12615453667 in words is "twelve billion, six hundred fifteen million, four hundred fifty-three thousand, six hundred sixty-seven".