11711158871 has 16 divisors (see below), whose sum is σ = 12172256640. Its totient is φ = 11259386880.

The previous prime is 11711158867. The next prime is 11711158873. The reversal of 11711158871 is 17885111711.

It is a cyclic number.

It is not a de Polignac number, because 11711158871 - 2² = 11711158867 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 (11711158873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2661245 + ... + 2665641.

It is an arithmetic number, because the mean of its divisors is an integer number (760766040).

Almost surely, 2^11711158871 is an apocalyptic number.

11711158871 is a deficient number, since it is larger than the sum of its proper divisors (461097769).

11711158871 is an equidigital number, since it uses as much as digits as its factorization.

11711158871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434.

The product of its digits is 15680, while the sum is 41.

The spelling of 11711158871 in words is "eleven billion, seven hundred eleven million, one hundred fifty-eight thousand, eight hundred seventy-one".