26115907459 has 2 divisors, whose sum is σ = 26115907460. Its totient is φ = 26115907458.

The previous prime is 26115907339. The next prime is 26115907471. The reversal of 26115907459 is 95470951162.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26115907459 - 2¹³ = 26115899267 is a prime.

It is not a weakly prime, because it can be changed into another prime (26115901459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13057953729 + 13057953730.

It is an arithmetic number, because the mean of its divisors is an integer number (13057953730).

Almost surely, 2^26115907459 is an apocalyptic number.

26115907459 is a deficient number, since it is larger than the sum of its proper divisors (1).

26115907459 is an equidigital number, since it uses as much as digits as its factorization.

26115907459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 26115907459 in words is "twenty-six billion, one hundred fifteen million, nine hundred seven thousand, four hundred fifty-nine".