11251122534409 has 2 divisors, whose sum is σ = 11251122534410. Its totient is φ = 11251122534408.

The previous prime is 11251122534391. The next prime is 11251122534437. The reversal of 11251122534409 is 90443522115211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10623655766025 + 627466768384 = 3259395^2 + 792128^2 .

It is an emirp because it is prime and its reverse (90443522115211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11251122534409 - 2³³ = 11242532599817 is a prime.

It is not a weakly prime, because it can be changed into another prime (11251122504409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625561267204 + 5625561267205.

It is an arithmetic number, because the mean of its divisors is an integer number (5625561267205).

Almost surely, 2^{11251122534409} is an apocalyptic number.

It is an amenable number.

11251122534409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251122534409 is an equidigital number, since it uses as much as digits as its factorization.

11251122534409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 11251122534409 in words is "eleven trillion, two hundred fifty-one billion, one hundred twenty-two million, five hundred thirty-four thousand, four hundred nine".