11911396745011 has 4 divisors (see below), whose sum is σ = 11912744654352. Its totient is φ = 11910048835672.

The previous prime is 11911396744969. The next prime is 11911396745029. The reversal of 11911396745011 is 11054769311911.

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 11911396745011 - 2¹¹ = 11911396742963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11911396775011) 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, 673941415 + ... + 673959088.

It is an arithmetic number, because the mean of its divisors is an integer number (2978186163588).

Almost surely, 2^{11911396745011} is an apocalyptic number.

11911396745011 is a deficient number, since it is larger than the sum of its proper divisors (1347909341).

11911396745011 is an equidigital number, since it uses as much as digits as its factorization.

11911396745011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347909340.

The product of its (nonzero) digits is 204120, while the sum is 49.

The spelling of 11911396745011 in words is "eleven trillion, nine hundred eleven billion, three hundred ninety-six million, seven hundred forty-five thousand, eleven".