11040243142 has 4 divisors (see below), whose sum is σ = 16560364716. Its totient is φ = 5520121570.

The previous prime is 11040243121. The next prime is 11040243157. The reversal of 11040243142 is 24134204011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24134204011 = 1607 ⋅15018173.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760060784 + ... + 2760060787.

It is an arithmetic number, because the mean of its divisors is an integer number (4140091179).

Almost surely, 2^11040243142 is an apocalyptic number.

11040243142 is a deficient number, since it is larger than the sum of its proper divisors (5520121574).

11040243142 is an equidigital number, since it uses as much as digits as its factorization.

11040243142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520121573.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11040243142 its reverse (24134204011), we get a palindrome (35174447153).

The spelling of 11040243142 in words is "eleven billion, forty million, two hundred forty-three thousand, one hundred forty-two".