11140042255 has 4 divisors (see below), whose sum is σ = 13368050712. Its totient is φ = 8912033800.

The previous prime is 11140042187. The next prime is 11140042261. The reversal of 11140042255 is 55224004111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11140042255 - 2¹⁷ = 11139911183 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1114004221 + ... + 1114004230.

It is an arithmetic number, because the mean of its divisors is an integer number (3342012678).

Almost surely, 2^11140042255 is an apocalyptic number.

11140042255 is a deficient number, since it is larger than the sum of its proper divisors (2228008457).

11140042255 is an equidigital number, since it uses as much as digits as its factorization.

11140042255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228008456.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 11140042255 its reverse (55224004111), we get a palindrome (66364046366).

The spelling of 11140042255 in words is "eleven billion, one hundred forty million, forty-two thousand, two hundred fifty-five".