11223251355 has 16 divisors (see below), whose sum is σ = 17961993504. Its totient is φ = 5984136960.

The previous prime is 11223251353. The next prime is 11223251357. The reversal of 11223251355 is 55315232211.

It is an interprime number because it is at equal distance from previous prime (11223251353) and next prime (11223251357).

It is not a de Polignac number, because 11223251355 - 2¹ = 11223251353 is a prime.

It is a super-2 number, since 2×11223251355² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11223251353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40594 + ... + 155223.

It is an arithmetic number, because the mean of its divisors is an integer number (1122624594).

Almost surely, 2^11223251355 is an apocalyptic number.

11223251355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11223251355 is a deficient number, since it is larger than the sum of its proper divisors (6738742149).

11223251355 is a wasteful number, since it uses less digits than its factorization.

11223251355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199646.

The product of its digits is 9000, while the sum is 30.

Adding to 11223251355 its reverse (55315232211), we get a palindrome (66538483566).

The spelling of 11223251355 in words is "eleven billion, two hundred twenty-three million, two hundred fifty-one thousand, three hundred fifty-five".