11701071166 has 4 divisors (see below), whose sum is σ = 17551606752. Its totient is φ = 5850535582.

The previous prime is 11701071157. The next prime is 11701071181. The reversal of 11701071166 is 66117010711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66117010711 = 19 ⋅3479842669.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2925267790 + ... + 2925267793.

It is an arithmetic number, because the mean of its divisors is an integer number (4387901688).

Almost surely, 2^11701071166 is an apocalyptic number.

11701071166 is a deficient number, since it is larger than the sum of its proper divisors (5850535586).

11701071166 is an equidigital number, since it uses as much as digits as its factorization.

11701071166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850535585.

The product of its (nonzero) digits is 1764, while the sum is 31.

Adding to 11701071166 its reverse (66117010711), we get a palindrome (77818081877).

The spelling of 11701071166 in words is "eleven billion, seven hundred one million, seventy-one thousand, one hundred sixty-six".