11601011 has 4 divisors (see below), whose sum is σ = 11819952. Its totient is φ = 11382072.

The previous prime is 11600999. The next prime is 11601043. The reversal of 11601011 is 11010611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11601011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11600983 and 11601001.

It is not an unprimeable number, because it can be changed into a prime (11601311) 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, 109391 + ... + 109496.

It is an arithmetic number, because the mean of its divisors is an integer number (2954988).

Almost surely, 2^11601011 is an apocalyptic number.

11601011 is a deficient number, since it is larger than the sum of its proper divisors (218941).

11601011 is an equidigital number, since it uses as much as digits as its factorization.

11601011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218940.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 11601011 is about 3406.0256898620. The cubic root of 11601011 is about 226.3768154473.

Adding to 11601011 its reverse (11010611), we get a palindrome (22611622).

The spelling of 11601011 in words is "eleven million, six hundred one thousand, eleven".