26087520481019 has 2 divisors, whose sum is σ = 26087520481020. Its totient is φ = 26087520481018.

The previous prime is 26087520481013. The next prime is 26087520481081. The reversal of 26087520481019 is 91018402578062.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26087520481019 is a prime.

It is a super-2 number, since 2×26087520481019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26087520481013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13043760240509 + 13043760240510.

It is an arithmetic number, because the mean of its divisors is an integer number (13043760240510).

Almost surely, 2^{26087520481019} is an apocalyptic number.

26087520481019 is a deficient number, since it is larger than the sum of its proper divisors (1).

26087520481019 is an equidigital number, since it uses as much as digits as its factorization.

26087520481019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 26087520481019 in words is "twenty-six trillion, eighty-seven billion, five hundred twenty million, four hundred eighty-one thousand, nineteen".