11221562255063 has 4 divisors (see below), whose sum is σ = 11307223035768. Its totient is φ = 11135901474360.

The previous prime is 11221562255051. The next prime is 11221562255087. The reversal of 11221562255063 is 36055226512211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11221562255063 - 2¹² = 11221562250967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11221562255063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221562755063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42830390156 + ... + 42830390417.

It is an arithmetic number, because the mean of its divisors is an integer number (2826805758942).

Almost surely, 2^{11221562255063} is an apocalyptic number.

11221562255063 is a deficient number, since it is larger than the sum of its proper divisors (85660780705).

11221562255063 is an equidigital number, since it uses as much as digits as its factorization.

11221562255063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85660780704.

The product of its (nonzero) digits is 216000, while the sum is 41.

Adding to 11221562255063 its reverse (36055226512211), we get a palindrome (47276788767274).

The spelling of 11221562255063 in words is "eleven trillion, two hundred twenty-one billion, five hundred sixty-two million, two hundred fifty-five thousand, sixty-three".