11494771161 has 8 divisors (see below), whose sum is σ = 15343188864. Its totient is φ = 7654767120.

The previous prime is 11494771147. The next prime is 11494771217. The reversal of 11494771161 is 16117749411.

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

It is a de Polignac number, because none of the positive numbers 2^k-11494771161 is a prime.

It is a super-3 number, since 3×11494771161³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11494771121) 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, 2100226 + ... + 2105691.

It is an arithmetic number, because the mean of its divisors is an integer number (1917898608).

Almost surely, 2^11494771161 is an apocalyptic number.

It is an amenable number.

11494771161 is a deficient number, since it is larger than the sum of its proper divisors (3848417703).

11494771161 is an equidigital number, since it uses as much as digits as its factorization.

11494771161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206831.

The product of its digits is 42336, while the sum is 42.

The spelling of 11494771161 in words is "eleven billion, four hundred ninety-four million, seven hundred seventy-one thousand, one hundred sixty-one".