11110943991229 has 2 divisors, whose sum is σ = 11110943991230. Its totient is φ = 11110943991228.

The previous prime is 11110943991179. The next prime is 11110943991241. The reversal of 11110943991229 is 92219934901111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9132907084900 + 1978036906329 = 3022070^2 + 1406427^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110943991229 - 2¹⁹ = 11110943466941 is a prime.

It is a super-3 number, since 3×11110943991229³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110943991289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555471995614 + 5555471995615.

It is an arithmetic number, because the mean of its divisors is an integer number (5555471995615).

Almost surely, 2^{11110943991229} is an apocalyptic number.

It is an amenable number.

11110943991229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110943991229 is an equidigital number, since it uses as much as digits as its factorization.

11110943991229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 52.

The spelling of 11110943991229 in words is "eleven trillion, one hundred ten billion, nine hundred forty-three million, nine hundred ninety-one thousand, two hundred twenty-nine".