11560001 has 4 divisors (see below), whose sum is σ = 11566932. Its totient is φ = 11553072.

The previous prime is 11559997. The next prime is 11560019. The reversal of 11560001 is 10006511.

It is a Cunningham number, because it is equal to 3400²+1.

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 can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 3010225 = 2924^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 11560001 - 2² = 11559997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11560091) 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, 731 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (2891733).

Almost surely, 2^11560001 is an apocalyptic number.

It is an amenable number.

11560001 is a deficient number, since it is larger than the sum of its proper divisors (6931).

11560001 is an equidigital number, since it uses as much as digits as its factorization.

11560001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 11560001 is about 3400.0001470588. Note that the first 3 decimals coincide. The cubic root of 11560001 is about 226.1097503855.

Adding to 11560001 its reverse (10006511), we get a palindrome (21566512).

The spelling of 11560001 in words is "eleven million, five hundred sixty thousand, one".