11321736421311 has 12 divisors (see below), whose sum is σ = 16515536299080. Its totient is φ = 7473093346800.

The previous prime is 11321736421271. The next prime is 11321736421319. The reversal of 11321736421311 is 11312463712311.

11321736421311 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 1 + 7 + 3 + 642 + 1 + 3 + 1 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-11321736421311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321736421319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6227576881 + ... + 6227578698.

It is an arithmetic number, because the mean of its divisors is an integer number (1376294691590).

Almost surely, 2^{11321736421311} is an apocalyptic number.

11321736421311 is a deficient number, since it is larger than the sum of its proper divisors (5193799877769).

11321736421311 is a wasteful number, since it uses less digits than its factorization.

11321736421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455155686 (or 12455155683 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The spelling of 11321736421311 in words is "eleven trillion, three hundred twenty-one billion, seven hundred thirty-six million, four hundred twenty-one thousand, three hundred eleven".