14540240311 has 4 divisors (see below), whose sum is σ = 14544217800. Its totient is φ = 14536262824.

The previous prime is 14540240249. The next prime is 14540240329. The reversal of 14540240311 is 11304204541.

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

It is a cyclic number.

It is not a de Polignac number, because 14540240311 - 2⁹ = 14540239799 is a prime.

It is a super-2 number, since 2×14540240311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14540240411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983256 + ... + 1990573.

It is an arithmetic number, because the mean of its divisors is an integer number (3636054450).

Almost surely, 2^14540240311 is an apocalyptic number.

14540240311 is a deficient number, since it is larger than the sum of its proper divisors (3977489).

14540240311 is an equidigital number, since it uses as much as digits as its factorization.

14540240311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977488.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 14540240311 its reverse (11304204541), we get a palindrome (25844444852).

The spelling of 14540240311 in words is "fourteen billion, five hundred forty million, two hundred forty thousand, three hundred eleven".