12111623748313 has 8 divisors (see below), whose sum is σ = 12155023842696. Its totient is φ = 12068225769600.

The previous prime is 12111623748307. The next prime is 12111623748337. The reversal of 12111623748313 is 31384732611121.

It can be written as a sum of positive squares in 4 ways, for example, as 5496455180304 + 6615168568009 = 2344452^2 + 2571997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111623748313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111623748313.

It is not an unprimeable number, because it can be changed into a prime (12111623748013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11423995 + ... + 12439087.

It is an arithmetic number, because the mean of its divisors is an integer number (1519377980337).

Almost surely, 2^{12111623748313} is an apocalyptic number.

It is an amenable number.

12111623748313 is a deficient number, since it is larger than the sum of its proper divisors (43400094383).

12111623748313 is a wasteful number, since it uses less digits than its factorization.

12111623748313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057835.

The product of its digits is 145152, while the sum is 43.

The spelling of 12111623748313 in words is "twelve trillion, one hundred eleven billion, six hundred twenty-three million, seven hundred forty-eight thousand, three hundred thirteen".