11632081 has 2 divisors, whose sum is σ = 11632082. Its totient is φ = 11632080.

The previous prime is 11632079. The next prime is 11632109. The reversal of 11632081 is 18023611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11451456 + 180625 = 3384^2 + 425^2 .

It is an emirp because it is prime and its reverse (18023611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11632081 - 2¹ = 11632079 is a prime.

It is a super-2 number, since 2×11632081² = 270610616781122, which contains 22 as substring.

Together with 11632079, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11632031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5816040 + 5816041.

It is an arithmetic number, because the mean of its divisors is an integer number (5816041).

Almost surely, 2^11632081 is an apocalyptic number.

It is an amenable number.

11632081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11632081 is an equidigital number, since it uses as much as digits as its factorization.

11632081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 11632081 is about 3410.5836743877. The cubic root of 11632081 is about 226.5787305471.

Adding to 11632081 its reverse (18023611), we get a palindrome (29655692).

The spelling of 11632081 in words is "eleven million, six hundred thirty-two thousand, eighty-one".