11143345825 has 12 divisors (see below), whose sum is σ = 13905764860. Its totient is φ = 8857892160.

The previous prime is 11143345781. The next prime is 11143345847. The reversal of 11143345825 is 52854334111.

It can be written as a sum of positive squares in 6 ways, for example, as 95023504 + 11048322321 = 9748^2 + 105111^2 .

It is not a de Polignac number, because 11143345825 - 2¹⁹ = 11142821537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1415610 + ... + 1423459.

Almost surely, 2^11143345825 is an apocalyptic number.

It is an amenable number.

11143345825 is a deficient number, since it is larger than the sum of its proper divisors (2762419035).

11143345825 is a wasteful number, since it uses less digits than its factorization.

11143345825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839236 (or 2839231 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

Adding to 11143345825 its reverse (52854334111), we get a palindrome (63997679936).

The spelling of 11143345825 in words is "eleven billion, one hundred forty-three million, three hundred forty-five thousand, eight hundred twenty-five".