11571470617 has 8 divisors (see below), whose sum is σ = 13254665600. Its totient is φ = 9895807584.

The previous prime is 11571470587. The next prime is 11571470633. The reversal of 11571470617 is 71607417511.

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 11571470617 - 2¹¹ = 11571468569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11571470617.

It is not an unprimeable number, because it can be changed into a prime (11571470917) 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, 1879692 + ... + 1885837.

It is an arithmetic number, because the mean of its divisors is an integer number (1656833200).

Almost surely, 2^11571470617 is an apocalyptic number.

It is an amenable number.

11571470617 is a deficient number, since it is larger than the sum of its proper divisors (1683194983).

11571470617 is an equidigital number, since it uses as much as digits as its factorization.

11571470617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765975.

The product of its (nonzero) digits is 41160, while the sum is 40.

The spelling of 11571470617 in words is "eleven billion, five hundred seventy-one million, four hundred seventy thousand, six hundred seventeen".