11543569242 has 16 divisors (see below), whose sum is σ = 23268928512. Its totient is φ = 3817558080.

The previous prime is 11543569241. The next prime is 11543569259. The reversal of 11543569242 is 24296534511.

It is a junction number, because it is equal to n+sod(n) for n = 11543569194 and 11543569203.

It is not an unprimeable number, because it can be changed into a prime (11543569241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7573759 + ... + 7575282.

It is an arithmetic number, because the mean of its divisors is an integer number (1454308032).

Almost surely, 2^11543569242 is an apocalyptic number.

11543569242 is an abundant number, since it is smaller than the sum of its proper divisors (11725359270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11543569242 is a wasteful number, since it uses less digits than its factorization.

11543569242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15149173.

The product of its digits is 259200, while the sum is 42.

The spelling of 11543569242 in words is "eleven billion, five hundred forty-three million, five hundred sixty-nine thousand, two hundred forty-two".