12111133305413 has 4 divisors (see below), whose sum is σ = 12111828605760. Its totient is φ = 12110438005068.

The previous prime is 12111133305409. The next prime is 12111133305437. The reversal of 12111133305413 is 31450333111121.

12111133305413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12111133305413 - 2² = 12111133305409 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 (12111133305473) 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, 347624045 + ... + 347658882.

It is an arithmetic number, because the mean of its divisors is an integer number (3027957151440).

Almost surely, 2^{12111133305413} is an apocalyptic number.

It is an amenable number.

12111133305413 is a deficient number, since it is larger than the sum of its proper divisors (695300347).

12111133305413 is an equidigital number, since it uses as much as digits as its factorization.

12111133305413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695300346.

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 12111133305413 its reverse (31450333111121), we get a palindrome (43561466416534).

The spelling of 12111133305413 in words is "twelve trillion, one hundred eleven billion, one hundred thirty-three million, three hundred five thousand, four hundred thirteen".