26111641780243 has 2 divisors, whose sum is σ = 26111641780244. Its totient is φ = 26111641780242.

The previous prime is 26111641780183. The next prime is 26111641780261. The reversal of 26111641780243 is 34208714611162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26111641780243 - 2⁹ = 26111641779731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26111641780193 and 26111641780202.

It is not a weakly prime, because it can be changed into another prime (26111641720243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13055820890121 + 13055820890122.

It is an arithmetic number, because the mean of its divisors is an integer number (13055820890122).

Almost surely, 2^{26111641780243} is an apocalyptic number.

26111641780243 is a deficient number, since it is larger than the sum of its proper divisors (1).

26111641780243 is an equidigital number, since it uses as much as digits as its factorization.

26111641780243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 26111641780243 in words is "twenty-six trillion, one hundred eleven billion, six hundred forty-one million, seven hundred eighty thousand, two hundred forty-three".