11430140111 has 16 divisors (see below), whose sum is σ = 13042764000. Its totient is φ = 9923171328.

The previous prime is 11430140093. The next prime is 11430140123. The reversal of 11430140111 is 11104103411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11430140111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 11430140111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430140171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304715 + ... + 340163.

It is an arithmetic number, because the mean of its divisors is an integer number (815172750).

Almost surely, 2^11430140111 is an apocalyptic number.

11430140111 is a deficient number, since it is larger than the sum of its proper divisors (1612623889).

11430140111 is a wasteful number, since it uses less digits than its factorization.

11430140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36938.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11430140111 its reverse (11104103411), we get a palindrome (22534243522).

The spelling of 11430140111 in words is "eleven billion, four hundred thirty million, one hundred forty thousand, one hundred eleven".