11146631 has 2 divisors, whose sum is σ = 11146632. Its totient is φ = 11146630.

The previous prime is 11146613. The next prime is 11146633. The reversal of 11146631 is 13664111.

Together with previous prime (11146613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11146631 - 2¹⁸ = 10884487 is a prime.

It is a super-2 number, since 2×11146631² = 248494765300322, which contains 22 as substring.

Together with 11146633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11146597 and 11146606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11146633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573315 + 5573316.

It is an arithmetic number, because the mean of its divisors is an integer number (5573316).

Almost surely, 2^11146631 is an apocalyptic number.

11146631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11146631 is an equidigital number, since it uses as much as digits as its factorization.

11146631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 11146631 is about 3338.6570653483. The cubic root of 11146631 is about 223.3818456036.

The spelling of 11146631 in words is "eleven million, one hundred forty-six thousand, six hundred thirty-one".