26566151147 has 2 divisors, whose sum is σ = 26566151148. Its totient is φ = 26566151146.

The previous prime is 26566151077. The next prime is 26566151231. The reversal of 26566151147 is 74115166562.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26566151147 - 2¹² = 26566147051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26566151098 and 26566151107.

It is not a weakly prime, because it can be changed into another prime (26566151347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13283075573 + 13283075574.

It is an arithmetic number, because the mean of its divisors is an integer number (13283075574).

Almost surely, 2^26566151147 is an apocalyptic number.

26566151147 is a deficient number, since it is larger than the sum of its proper divisors (1).

26566151147 is an equidigital number, since it uses as much as digits as its factorization.

26566151147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The spelling of 26566151147 in words is "twenty-six billion, five hundred sixty-six million, one hundred fifty-one thousand, one hundred forty-seven".