12361142311 has 4 divisors (see below), whose sum is σ = 14127019792. Its totient is φ = 10595264832.

The previous prime is 12361142293. The next prime is 12361142351. The reversal of 12361142311 is 11324116321.

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 12361142311 - 2⁵ = 12361142279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361142351) 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, 882938730 + ... + 882938743.

It is an arithmetic number, because the mean of its divisors is an integer number (3531754948).

Almost surely, 2^12361142311 is an apocalyptic number.

12361142311 is a deficient number, since it is larger than the sum of its proper divisors (1765877481).

12361142311 is an equidigital number, since it uses as much as digits as its factorization.

12361142311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765877480.

The product of its digits is 864, while the sum is 25.

Adding to 12361142311 its reverse (11324116321), we get a palindrome (23685258632).

The spelling of 12361142311 in words is "twelve billion, three hundred sixty-one million, one hundred forty-two thousand, three hundred eleven".