11140230311 has 12 divisors (see below), whose sum is σ = 12961615320. Its totient is φ = 9546873840.

The previous prime is 11140230307. The next prime is 11140230313. The reversal of 11140230311 is 11303204111.

It is not a de Polignac number, because 11140230311 - 2² = 11140230307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11140230311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140230313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263501 + ... + 302841.

It is an arithmetic number, because the mean of its divisors is an integer number (1080134610).

Almost surely, 2^11140230311 is an apocalyptic number.

11140230311 is a deficient number, since it is larger than the sum of its proper divisors (1821385009).

11140230311 is an equidigital number, since it uses as much as digits as its factorization.

11140230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45134 (or 45127 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11140230311 its reverse (11303204111), we get a palindrome (22443434422).

The spelling of 11140230311 in words is "eleven billion, one hundred forty million, two hundred thirty thousand, three hundred eleven".