26161634011 has 2 divisors, whose sum is σ = 26161634012. Its totient is φ = 26161634010.

The previous prime is 26161633991. The next prime is 26161634039. The reversal of 26161634011 is 11043616162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26161634011 - 2⁹ = 26161633499 is a prime.

It is not a weakly prime, because it can be changed into another prime (26161632011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13080817005 + 13080817006.

It is an arithmetic number, because the mean of its divisors is an integer number (13080817006).

Almost surely, 2^26161634011 is an apocalyptic number.

26161634011 is a deficient number, since it is larger than the sum of its proper divisors (1).

26161634011 is an equidigital number, since it uses as much as digits as its factorization.

26161634011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 26161634011 in words is "twenty-six billion, one hundred sixty-one million, six hundred thirty-four thousand, eleven".