11420801269 has 2 divisors, whose sum is σ = 11420801270. Its totient is φ = 11420801268.

The previous prime is 11420801221. The next prime is 11420801339. The reversal of 11420801269 is 96210802411.

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., 8301578769 + 3119222500 = 91113^2 + 55850^2 .

It is an emirp because it is prime and its reverse (96210802411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11420801269 - 2²⁹ = 10883930357 is a prime.

It is a super-2 number, since 2×11420801269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11420801209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710400634 + 5710400635.

It is an arithmetic number, because the mean of its divisors is an integer number (5710400635).

Almost surely, 2^11420801269 is an apocalyptic number.

It is an amenable number.

11420801269 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420801269 is an equidigital number, since it uses as much as digits as its factorization.

11420801269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 11420801269 in words is "eleven billion, four hundred twenty million, eight hundred one thousand, two hundred sixty-nine".