11067631 has 4 divisors (see below), whose sum is σ = 11090664. Its totient is φ = 11044600.

The previous prime is 11067613. The next prime is 11067643. The reversal of 11067631 is 13676011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11067631 - 2⁷ = 11067503 is a prime.

It is a super-2 number, since 2×11067631² = 244984911904322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11067596 and 11067605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11067601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10780 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (2772666).

Almost surely, 2^11067631 is an apocalyptic number.

11067631 is a deficient number, since it is larger than the sum of its proper divisors (23033).

11067631 is an equidigital number, since it uses as much as digits as its factorization.

11067631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23032.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 11067631 is about 3326.8049236467. The cubic root of 11067631 is about 222.8528660030.

It can be divided in two parts, 1106 and 7631, that multiplied together give a triangular number (8439886 = T₄₁₀₈).

The spelling of 11067631 in words is "eleven million, sixty-seven thousand, six hundred thirty-one".