11143369557 has 24 divisors (see below), whose sum is σ = 16748159040. Its totient is φ = 7321242600.

The previous prime is 11143369553. The next prime is 11143369561. The reversal of 11143369557 is 75596334111.

11143369557 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 33 + 69 + 557 = 666.

It is an interprime number because it is at equal distance from previous prime (11143369553) and next prime (11143369561).

It is not a de Polignac number, because 11143369557 - 2² = 11143369553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143369553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4620682 + ... + 4623092.

It is an arithmetic number, because the mean of its divisors is an integer number (697839960).

Almost surely, 2^11143369557 is an apocalyptic number.

It is an amenable number.

11143369557 is a deficient number, since it is larger than the sum of its proper divisors (5604789483).

11143369557 is an frugal number, since it uses more digits than its factorization.

11143369557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902 (or 2485 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The spelling of 11143369557 in words is "eleven billion, one hundred forty-three million, three hundred sixty-nine thousand, five hundred fifty-seven".