11677131571 has 8 divisors (see below), whose sum is σ = 13348051040. Its totient is φ = 10006901568.

The previous prime is 11677131563. The next prime is 11677131577. The reversal of 11677131571 is 17513177611.

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

It is a cyclic number.

It is not a de Polignac number, because 11677131571 - 2³ = 11677131563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11677131577) 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, 135546 + ... + 204271.

It is an arithmetic number, because the mean of its divisors is an integer number (1668506380).

Almost surely, 2^11677131571 is an apocalyptic number.

11677131571 is a deficient number, since it is larger than the sum of its proper divisors (1670919469).

11677131571 is an equidigital number, since it uses as much as digits as its factorization.

11677131571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344733.

The product of its digits is 30870, while the sum is 40.

The spelling of 11677131571 in words is "eleven billion, six hundred seventy-seven million, one hundred thirty-one thousand, five hundred seventy-one".