26010400005259 has 2 divisors, whose sum is σ = 26010400005260. Its totient is φ = 26010400005258.

The previous prime is 26010400005179. The next prime is 26010400005341. The reversal of 26010400005259 is 95250000401062.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26010400005259 is a prime.

It is not a weakly prime, because it can be changed into another prime (26010400006259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13005200002629 + 13005200002630.

It is an arithmetic number, because the mean of its divisors is an integer number (13005200002630).

Almost surely, 2^{26010400005259} is an apocalyptic number.

26010400005259 is a deficient number, since it is larger than the sum of its proper divisors (1).

26010400005259 is an equidigital number, since it uses as much as digits as its factorization.

26010400005259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 26010400005259 in words is "twenty-six trillion, ten billion, four hundred million, five thousand, two hundred fifty-nine".