11123412440887 has 2 divisors, whose sum is σ = 11123412440888. Its totient is φ = 11123412440886.

The previous prime is 11123412440863. The next prime is 11123412440951. The reversal of 11123412440887 is 78804421432111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11123412440887 - 2¹¹ = 11123412438839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123412440857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561706220443 + 5561706220444.

It is an arithmetic number, because the mean of its divisors is an integer number (5561706220444).

Almost surely, 2^{11123412440887} is an apocalyptic number.

11123412440887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123412440887 is an equidigital number, since it uses as much as digits as its factorization.

11123412440887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 46.

Adding to 11123412440887 its reverse (78804421432111), we get a palindrome (89927833872998).

The spelling of 11123412440887 in words is "eleven trillion, one hundred twenty-three billion, four hundred twelve million, four hundred forty thousand, eight hundred eighty-seven".