11205220259 has 2 divisors, whose sum is σ = 11205220260. Its totient is φ = 11205220258.

The previous prime is 11205220253. The next prime is 11205220283. The reversal of 11205220259 is 95202250211.

It is a weak prime.

It is an emirp because it is prime and its reverse (95202250211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11205220259 is a prime.

It is a super-2 number, since 2×11205220259² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11205220253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5602610129 + 5602610130.

It is an arithmetic number, because the mean of its divisors is an integer number (5602610130).

Almost surely, 2^11205220259 is an apocalyptic number.

11205220259 is a deficient number, since it is larger than the sum of its proper divisors (1).

11205220259 is an equidigital number, since it uses as much as digits as its factorization.

11205220259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 11205220259 in words is "eleven billion, two hundred five million, two hundred twenty thousand, two hundred fifty-nine".