26111890139 has 2 divisors, whose sum is σ = 26111890140. Its totient is φ = 26111890138.

The previous prime is 26111890121. The next prime is 26111890213. The reversal of 26111890139 is 93109811162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26111890139 - 2¹² = 26111886043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26111890096 and 26111890105.

It is not a weakly prime, because it can be changed into another prime (26111893139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13055945069 + 13055945070.

It is an arithmetic number, because the mean of its divisors is an integer number (13055945070).

Almost surely, 2^26111890139 is an apocalyptic number.

26111890139 is a deficient number, since it is larger than the sum of its proper divisors (1).

26111890139 is an equidigital number, since it uses as much as digits as its factorization.

26111890139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 26111890139 in words is "twenty-six billion, one hundred eleven million, eight hundred ninety thousand, one hundred thirty-nine".