12113441511 has 16 divisors (see below), whose sum is σ = 17103550464. Its totient is φ = 7599603584.

The previous prime is 12113441503. The next prime is 12113441521. The reversal of 12113441511 is 11514431121.

It is a cyclic number.

It is not a de Polignac number, because 12113441511 - 2³ = 12113441503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113441521) 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, 745900 + ... + 761966.

It is an arithmetic number, because the mean of its divisors is an integer number (1068971904).

Almost surely, 2^12113441511 is an apocalyptic number.

12113441511 is a deficient number, since it is larger than the sum of its proper divisors (4990108953).

12113441511 is a wasteful number, since it uses less digits than its factorization.

12113441511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30870.

The product of its digits is 480, while the sum is 24.

Adding to 12113441511 its reverse (11514431121), we get a palindrome (23627872632).

The spelling of 12113441511 in words is "twelve billion, one hundred thirteen million, four hundred forty-one thousand, five hundred eleven".