11142565042 has 32 divisors (see below), whose sum is σ = 19734073344. Its totient is φ = 4617507600.

The previous prime is 11142565037. The next prime is 11142565069. The reversal of 11142565042 is 24056524111.

It is a happy number.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 11142564995 and 11142565013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546817 + ... + 566827.

It is an arithmetic number, because the mean of its divisors is an integer number (616689792).

Almost surely, 2^11142565042 is an apocalyptic number.

11142565042 is a deficient number, since it is larger than the sum of its proper divisors (8591508302).

11142565042 is a wasteful number, since it uses less digits than its factorization.

11142565042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21334.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 11142565042 in words is "eleven billion, one hundred forty-two million, five hundred sixty-five thousand, forty-two".