11140240142 has 32 divisors (see below), whose sum is σ = 17441740800. Its totient is φ = 5332830048.

The previous prime is 11140240123. The next prime is 11140240211. The reversal of 11140240142 is 24104204111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802553 + ... + 816315.

It is an arithmetic number, because the mean of its divisors is an integer number (545054400).

Almost surely, 2^11140240142 is an apocalyptic number.

11140240142 is a deficient number, since it is larger than the sum of its proper divisors (6301500658).

11140240142 is a wasteful number, since it uses less digits than its factorization.

11140240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14000.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11140240142 its reverse (24104204111), we get a palindrome (35244444253).

The spelling of 11140240142 in words is "eleven billion, one hundred forty million, two hundred forty thousand, one hundred forty-two".