11720416243615 has 4 divisors (see below), whose sum is σ = 14064499492344. Its totient is φ = 9376332994888.

The previous prime is 11720416243609. The next prime is 11720416243667. The reversal of 11720416243615 is 51634261402711.

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 11720416243615 - 2²³ = 11720407855007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172041624357 + ... + 1172041624366.

It is an arithmetic number, because the mean of its divisors is an integer number (3516124873086).

Almost surely, 2^{11720416243615} is an apocalyptic number.

11720416243615 is a deficient number, since it is larger than the sum of its proper divisors (2344083248729).

11720416243615 is an equidigital number, since it uses as much as digits as its factorization.

11720416243615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344083248728.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 11720416243615 in words is "eleven trillion, seven hundred twenty billion, four hundred sixteen million, two hundred forty-three thousand, six hundred fifteen".