11221562254623 has 128 divisors (see below), whose sum is σ = 18482764185600. Its totient is φ = 5912768534400.

The previous prime is 11221562254607. The next prime is 11221562254657. The reversal of 11221562254623 is 32645226512211.

It is not a de Polignac number, because 11221562254623 - 2⁴ = 11221562254607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221562252623) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10800348138 + ... + 10800349176.

It is an arithmetic number, because the mean of its divisors is an integer number (144396595200).

Almost surely, 2^{11221562254623} is an apocalyptic number.

11221562254623 is a deficient number, since it is larger than the sum of its proper divisors (7261201930977).

11221562254623 is a wasteful number, since it uses less digits than its factorization.

11221562254623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713.

The product of its digits is 345600, while the sum is 42.

Adding to 11221562254623 its reverse (32645226512211), we get a palindrome (43866788766834).

The spelling of 11221562254623 in words is "eleven trillion, two hundred twenty-one billion, five hundred sixty-two million, two hundred fifty-four thousand, six hundred twenty-three".