12890262811 has 2 divisors, whose sum is σ = 12890262812. Its totient is φ = 12890262810.

The previous prime is 12890262743. The next prime is 12890262841. The reversal of 12890262811 is 11826209821.

It is a strong prime.

It is an emirp because it is prime and its reverse (11826209821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12890262811 - 2²¹ = 12888165659 is a prime.

It is not a weakly prime, because it can be changed into another prime (12890262841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6445131405 + 6445131406.

It is an arithmetic number, because the mean of its divisors is an integer number (6445131406).

Almost surely, 2^12890262811 is an apocalyptic number.

12890262811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12890262811 is an equidigital number, since it uses as much as digits as its factorization.

12890262811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 40.

The spelling of 12890262811 in words is "twelve billion, eight hundred ninety million, two hundred sixty-two thousand, eight hundred eleven".