11315671 has 4 divisors (see below), whose sum is σ = 11326392. Its totient is φ = 11304952.

The previous prime is 11315663. The next prime is 11315687. The reversal of 11315671 is 17651311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11315671 - 2³ = 11315663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580 + ... + 5953.

It is an arithmetic number, because the mean of its divisors is an integer number (2831598).

Almost surely, 2^11315671 is an apocalyptic number.

11315671 is a deficient number, since it is larger than the sum of its proper divisors (10721).

11315671 is an equidigital number, since it uses as much as digits as its factorization.

11315671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720.

The product of its digits is 630, while the sum is 25.

The square root of 11315671 is about 3363.8773758863. The cubic root of 11315671 is about 224.5053892288.

Adding to 11315671 its reverse (17651311), we get a palindrome (28966982).

The spelling of 11315671 in words is "eleven million, three hundred fifteen thousand, six hundred seventy-one".