11022253543 has 4 divisors (see below), whose sum is σ = 12596861200. Its totient is φ = 9447645888.

The previous prime is 11022253537. The next prime is 11022253553. The reversal of 11022253543 is 34535222011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34535222011 = 79 ⋅437154709.

It is a cyclic number.

It is not a de Polignac number, because 11022253543 - 2²¹ = 11020156391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022253513) 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, 787303818 + ... + 787303831.

It is an arithmetic number, because the mean of its divisors is an integer number (3149215300).

Almost surely, 2^11022253543 is an apocalyptic number.

11022253543 is a deficient number, since it is larger than the sum of its proper divisors (1574607657).

11022253543 is an equidigital number, since it uses as much as digits as its factorization.

11022253543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574607656.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 11022253543 its reverse (34535222011), we get a palindrome (45557475554).

The spelling of 11022253543 in words is "eleven billion, twenty-two million, two hundred fifty-three thousand, five hundred forty-three".