11555738463271 has 8 divisors (see below), whose sum is σ = 11824522229520. Its totient is φ = 11286956772672.

The previous prime is 11555738463251. The next prime is 11555738463293. The reversal of 11555738463271 is 17236483755511.

11555738463271 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 not a de Polignac number, because 11555738463271 - 2⁹ = 11555738462759 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 (11555738463251) 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, 21070725 + ... + 21612193.

It is an arithmetic number, because the mean of its divisors is an integer number (1478065278690).

Almost surely, 2^{11555738463271} is an apocalyptic number.

11555738463271 is a deficient number, since it is larger than the sum of its proper divisors (268783766249).

11555738463271 is an equidigital number, since it uses as much as digits as its factorization.

11555738463271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037825.

The product of its digits is 21168000, while the sum is 58.

The spelling of 11555738463271 in words is "eleven trillion, five hundred fifty-five billion, seven hundred thirty-eight million, four hundred sixty-three thousand, two hundred seventy-one".