11027164871 has 4 divisors (see below), whose sum is σ = 11325196392. Its totient is φ = 10729133352.

The previous prime is 11027164849. The next prime is 11027164909. The reversal of 11027164871 is 17846172011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11027164871 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 (11027164171) 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, 149015705 + ... + 149015778.

It is an arithmetic number, because the mean of its divisors is an integer number (2831299098).

Almost surely, 2^11027164871 is an apocalyptic number.

11027164871 is a deficient number, since it is larger than the sum of its proper divisors (298031521).

11027164871 is an equidigital number, since it uses as much as digits as its factorization.

11027164871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298031520.

The product of its (nonzero) digits is 18816, while the sum is 38.

The spelling of 11027164871 in words is "eleven billion, twenty-seven million, one hundred sixty-four thousand, eight hundred seventy-one".