12411113531 has 4 divisors (see below), whose sum is σ = 12811472064. Its totient is φ = 12010755000.

The previous prime is 12411113527. The next prime is 12411113549. The reversal of 12411113531 is 13531111421.

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 12411113531 - 2² = 12411113527 is a prime.

It is a super-2 number, since 2×12411113531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12411113497 and 12411113506.

It is not an unprimeable number, because it can be changed into a prime (12411113581) 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, 200179220 + ... + 200179281.

It is an arithmetic number, because the mean of its divisors is an integer number (3202868016).

Almost surely, 2^12411113531 is an apocalyptic number.

12411113531 is a deficient number, since it is larger than the sum of its proper divisors (400358533).

12411113531 is an equidigital number, since it uses as much as digits as its factorization.

12411113531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400358532.

The product of its digits is 360, while the sum is 23.

Adding to 12411113531 its reverse (13531111421), we get a palindrome (25942224952).

The spelling of 12411113531 in words is "twelve billion, four hundred eleven million, one hundred thirteen thousand, five hundred thirty-one".