111660340315013 has 4 divisors (see below), whose sum is σ = 127611817502880. Its totient is φ = 95708863127148.

The previous prime is 111660340315003. The next prime is 111660340315019. The reversal of 111660340315013 is 310513043066111.

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 111660340315013 - 2⁶ = 111660340314949 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 (111660340315019) 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, 7975738593923 + ... + 7975738593936.

It is an arithmetic number, because the mean of its divisors is an integer number (31902954375720).

Almost surely, 2^{111660340315013} is an apocalyptic number.

It is an amenable number.

111660340315013 is a deficient number, since it is larger than the sum of its proper divisors (15951477187867).

111660340315013 is an equidigital number, since it uses as much as digits as its factorization.

111660340315013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15951477187866.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 111660340315013 in words is "one hundred eleven trillion, six hundred sixty billion, three hundred forty million, three hundred fifteen thousand, thirteen".