11119240261 has 2 divisors, whose sum is σ = 11119240262. Its totient is φ = 11119240260.

The previous prime is 11119240189. The next prime is 11119240273. The reversal of 11119240261 is 16204291111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10548317025 + 570923236 = 102705^2 + 23894^2 .

It is a cyclic number.

It is not a de Polignac number, because 11119240261 - 2⁹ = 11119239749 is a prime.

It is a super-3 number, since 3×11119240261³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11119246261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559620130 + 5559620131.

It is an arithmetic number, because the mean of its divisors is an integer number (5559620131).

Almost surely, 2^11119240261 is an apocalyptic number.

It is an amenable number.

11119240261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11119240261 is an equidigital number, since it uses as much as digits as its factorization.

11119240261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 11119240261 in words is "eleven billion, one hundred nineteen million, two hundred forty thousand, two hundred sixty-one".