11571241966 has 8 divisors (see below), whose sum is σ = 17357351760. Its totient is φ = 5785458048.

The previous prime is 11571241961. The next prime is 11571241987. The reversal of 11571241966 is 66914217511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11571241961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49255 + ... + 159901.

It is an arithmetic number, because the mean of its divisors is an integer number (2169668970).

Almost surely, 2^11571241966 is an apocalyptic number.

11571241966 is a deficient number, since it is larger than the sum of its proper divisors (5786109794).

11571241966 is a wasteful number, since it uses less digits than its factorization.

11571241966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162938.

The product of its digits is 90720, while the sum is 43.

The spelling of 11571241966 in words is "eleven billion, five hundred seventy-one million, two hundred forty-one thousand, nine hundred sixty-six".