11109026259257 has 2 divisors, whose sum is σ = 11109026259258. Its totient is φ = 11109026259256.

The previous prime is 11109026259193. The next prime is 11109026259277. The reversal of 11109026259257 is 75295262090111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7777466793721 + 3331559465536 = 2788811^2 + 1825256^2 .

It is a cyclic number.

It is not a de Polignac number, because 11109026259257 - 2⁶ = 11109026259193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11109026259277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554513129628 + 5554513129629.

It is an arithmetic number, because the mean of its divisors is an integer number (5554513129629).

Almost surely, 2^{11109026259257} is an apocalyptic number.

It is an amenable number.

11109026259257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109026259257 is an equidigital number, since it uses as much as digits as its factorization.

11109026259257 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 50.

The spelling of 11109026259257 in words is "eleven trillion, one hundred nine billion, twenty-six million, two hundred fifty-nine thousand, two hundred fifty-seven".