11221562255023 has 4 divisors (see below), whose sum is σ = 11608512677640. Its totient is φ = 10834611832408.

The previous prime is 11221562254961. The next prime is 11221562255051. The reversal of 11221562255023 is 32055226512211.

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 11221562255023 - 2¹³ = 11221562246831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221562255623) 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, 193475211265 + ... + 193475211322.

It is an arithmetic number, because the mean of its divisors is an integer number (2902128169410).

Almost surely, 2^{11221562255023} is an apocalyptic number.

11221562255023 is a deficient number, since it is larger than the sum of its proper divisors (386950422617).

11221562255023 is an equidigital number, since it uses as much as digits as its factorization.

11221562255023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386950422616.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 11221562255023 its reverse (32055226512211), we get a palindrome (43276788767234).

The spelling of 11221562255023 in words is "eleven trillion, two hundred twenty-one billion, five hundred sixty-two million, two hundred fifty-five thousand, twenty-three".