11391135043927 has 8 divisors (see below), whose sum is σ = 11682875826720. Its totient is φ = 11100056557440.

The previous prime is 11391135043907. The next prime is 11391135043963. The reversal of 11391135043927 is 72934053119311.

11391135043927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11391135043927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11391135043907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165539238 + ... + 165608035.

It is an arithmetic number, because the mean of its divisors is an integer number (1460359478340).

Almost surely, 2^{11391135043927} is an apocalyptic number.

11391135043927 is a deficient number, since it is larger than the sum of its proper divisors (291740782793).

11391135043927 is an equidigital number, since it uses as much as digits as its factorization.

11391135043927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331148153.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 11391135043927 in words is "eleven trillion, three hundred ninety-one billion, one hundred thirty-five million, forty-three thousand, nine hundred twenty-seven".