11143550042 has 8 divisors (see below), whose sum is σ = 16772374836. Its totient is φ = 5552758432.

The previous prime is 11143550029. The next prime is 11143550087. The reversal of 11143550042 is 24005534111.

It can be written as a sum of positive squares in 2 ways, for example, as 9590480761 + 1553069281 = 97931^2 + 39409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11143549993 and 11143550020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9507563 + ... + 9508734.

Almost surely, 2^11143550042 is an apocalyptic number.

11143550042 is a deficient number, since it is larger than the sum of its proper divisors (5628824794).

11143550042 is a wasteful number, since it uses less digits than its factorization.

11143550042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19016592.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 11143550042 in words is "eleven billion, one hundred forty-three million, five hundred fifty thousand, forty-two".