11140138735 has 32 divisors (see below), whose sum is σ = 15100084800. Its totient is φ = 7815413760.

The previous prime is 11140138721. The next prime is 11140138739. The reversal of 11140138735 is 53783104111.

It is a happy number.

It is not a de Polignac number, because 11140138735 - 2¹³ = 11140130543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11140138735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140138739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2244877 + ... + 2249833.

It is an arithmetic number, because the mean of its divisors is an integer number (471877650).

Almost surely, 2^11140138735 is an apocalyptic number.

11140138735 is a deficient number, since it is larger than the sum of its proper divisors (3959946065).

11140138735 is a wasteful number, since it uses less digits than its factorization.

11140138735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 11140138735 in words is "eleven billion, one hundred forty million, one hundred thirty-eight thousand, seven hundred thirty-five".