11140402142 has 32 divisors (see below), whose sum is σ = 17444700000. Its totient is φ = 5329166976.

The previous prime is 11140402139. The next prime is 11140402157. The reversal of 11140402142 is 24120404111.

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, 5714984 + ... + 5716932.

It is an arithmetic number, because the mean of its divisors is an integer number (545146875).

Almost surely, 2^11140402142 is an apocalyptic number.

11140402142 is a deficient number, since it is larger than the sum of its proper divisors (6304297858).

11140402142 is a wasteful number, since it uses less digits than its factorization.

11140402142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828.

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

Adding to 11140402142 its reverse (24120404111), we get a palindrome (35260806253).

The spelling of 11140402142 in words is "eleven billion, one hundred forty million, four hundred two thousand, one hundred forty-two".