11516345211 has 8 divisors (see below), whose sum is σ = 17548716544. Its totient is φ = 6580768680.

The previous prime is 11516345209. The next prime is 11516345219. The reversal of 11516345211 is 11254361511.

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

It is not a de Polignac number, because 11516345211 - 2¹ = 11516345209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11516345219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274198675 + ... + 274198716.

It is an arithmetic number, because the mean of its divisors is an integer number (2193589568).

Almost surely, 2^11516345211 is an apocalyptic number.

11516345211 is a deficient number, since it is larger than the sum of its proper divisors (6032371333).

11516345211 is an equidigital number, since it uses as much as digits as its factorization.

11516345211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548397401.

The product of its digits is 3600, while the sum is 30.

The spelling of 11516345211 in words is "eleven billion, five hundred sixteen million, three hundred forty-five thousand, two hundred eleven".