11127631 has 2 divisors, whose sum is σ = 11127632. Its totient is φ = 11127630.

The previous prime is 11127629. The next prime is 11127637. The reversal of 11127631 is 13672111.

11127631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13672111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11127631 - 2¹ = 11127629 is a prime.

It is a super-2 number, since 2×11127631² = 247648343344322, which contains 22 as substring.

Together with 11127629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11127637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5563815 + 5563816.

It is an arithmetic number, because the mean of its divisors is an integer number (5563816).

Almost surely, 2^11127631 is an apocalyptic number.

11127631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11127631 is an equidigital number, since it uses as much as digits as its factorization.

11127631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 22.

The square root of 11127631 is about 3335.8103962905. The cubic root of 11127631 is about 223.2548515110.

Adding to 11127631 its reverse (13672111), we get a palindrome (24799742).

The spelling of 11127631 in words is "eleven million, one hundred twenty-seven thousand, six hundred thirty-one".