11144522543 has 16 divisors (see below), whose sum is σ = 14233363200. Its totient is φ = 8472235200.

The previous prime is 11144522527. The next prime is 11144522621. The reversal of 11144522543 is 34522544111.

It is not a de Polignac number, because 11144522543 - 2⁴ = 11144522527 is a prime.

It is a super-2 number, since 2×11144522543² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144522843) 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, 1761893 + ... + 1768206.

It is an arithmetic number, because the mean of its divisors is an integer number (889585200).

Almost surely, 2^11144522543 is an apocalyptic number.

11144522543 is a deficient number, since it is larger than the sum of its proper divisors (3088840657).

11144522543 is a wasteful number, since it uses less digits than its factorization.

11144522543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530158.

The product of its digits is 19200, while the sum is 32.

The spelling of 11144522543 in words is "eleven billion, one hundred forty-four million, five hundred twenty-two thousand, five hundred forty-three".