11206720617115 has 4 divisors (see below), whose sum is σ = 13448064740544. Its totient is φ = 8965376493688.

The previous prime is 11206720617083. The next prime is 11206720617151. The reversal of 11206720617115 is 51171602760211.

It is a happy number.

11206720617115 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.

It is a cyclic number.

It is not a de Polignac number, because 11206720617115 - 2⁵ = 11206720617083 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120672061707 + ... + 1120672061716.

It is an arithmetic number, because the mean of its divisors is an integer number (3362016185136).

Almost surely, 2^{11206720617115} is an apocalyptic number.

11206720617115 is a deficient number, since it is larger than the sum of its proper divisors (2241344123429).

11206720617115 is an equidigital number, since it uses as much as digits as its factorization.

11206720617115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241344123428.

The product of its (nonzero) digits is 35280, while the sum is 40.

The spelling of 11206720617115 in words is "eleven trillion, two hundred six billion, seven hundred twenty million, six hundred seventeen thousand, one hundred fifteen".