11205412349 has 2 divisors, whose sum is σ = 11205412350. Its totient is φ = 11205412348.

The previous prime is 11205412331. The next prime is 11205412357. The reversal of 11205412349 is 94321450211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10741871449 + 463540900 = 103643^2 + 21530^2 .

It is an emirp because it is prime and its reverse (94321450211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11205412349 - 2⁸ = 11205412093 is a prime.

It is a super-2 number, since 2×11205412349² (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 (11205412319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5602706174 + 5602706175.

It is an arithmetic number, because the mean of its divisors is an integer number (5602706175).

Almost surely, 2^11205412349 is an apocalyptic number.

It is an amenable number.

11205412349 is a deficient number, since it is larger than the sum of its proper divisors (1).

11205412349 is an equidigital number, since it uses as much as digits as its factorization.

11205412349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 11205412349 in words is "eleven billion, two hundred five million, four hundred twelve thousand, three hundred forty-nine".