13412111771 has 4 divisors (see below), whose sum is σ = 13418691600. Its totient is φ = 13405531944.

The previous prime is 13412111737. The next prime is 13412111813. The reversal of 13412111771 is 17711121431.

It is a happy number.

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 13412111771 - 2⁶ = 13412111707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13412111701) 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, 3286856 + ... + 3290933.

It is an arithmetic number, because the mean of its divisors is an integer number (3354672900).

Almost surely, 2^13412111771 is an apocalyptic number.

13412111771 is a deficient number, since it is larger than the sum of its proper divisors (6579829).

13412111771 is an equidigital number, since it uses as much as digits as its factorization.

13412111771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579828.

The product of its digits is 1176, while the sum is 29.

It can be divided in two parts, 1341 and 2111771, that added together give a palindrome (2113112).

The spelling of 13412111771 in words is "thirteen billion, four hundred twelve million, one hundred eleven thousand, seven hundred seventy-one".