11426261372129 has 2 divisors, whose sum is σ = 11426261372130. Its totient is φ = 11426261372128.

The previous prime is 11426261372039. The next prime is 11426261372161. The reversal of 11426261372129 is 92127316262411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11422777657600 + 3483714529 = 3379760^2 + 59023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11426261372129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11426261372189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5713130686064 + 5713130686065.

It is an arithmetic number, because the mean of its divisors is an integer number (5713130686065).

Almost surely, 2^{11426261372129} is an apocalyptic number.

It is an amenable number.

11426261372129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11426261372129 is an equidigital number, since it uses as much as digits as its factorization.

11426261372129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The spelling of 11426261372129 in words is "eleven trillion, four hundred twenty-six billion, two hundred sixty-one million, three hundred seventy-two thousand, one hundred twenty-nine".