12878092811 has 2 divisors, whose sum is σ = 12878092812. Its totient is φ = 12878092810.

The previous prime is 12878092789. The next prime is 12878092813. The reversal of 12878092811 is 11829087821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12878092811 is a prime.

Together with 12878092813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12878092813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6439046405 + 6439046406.

It is an arithmetic number, because the mean of its divisors is an integer number (6439046406).

Almost surely, 2^12878092811 is an apocalyptic number.

12878092811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12878092811 is an equidigital number, since it uses as much as digits as its factorization.

12878092811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 47.

The spelling of 12878092811 in words is "twelve billion, eight hundred seventy-eight million, ninety-two thousand, eight hundred eleven".