11112442631 has 2 divisors, whose sum is σ = 11112442632. Its totient is φ = 11112442630.

The previous prime is 11112442597. The next prime is 11112442669. The reversal of 11112442631 is 13624421111.

11112442631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112442631 - 2⁶ = 11112442567 is a prime.

It is a super-2 number, since 2×11112442631² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11112442631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112432631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556221315 + 5556221316.

It is an arithmetic number, because the mean of its divisors is an integer number (5556221316).

Almost surely, 2^11112442631 is an apocalyptic number.

11112442631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112442631 is an equidigital number, since it uses as much as digits as its factorization.

11112442631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

Adding to 11112442631 its reverse (13624421111), we get a palindrome (24736863742).

The spelling of 11112442631 in words is "eleven billion, one hundred twelve million, four hundred forty-two thousand, six hundred thirty-one".