11148887 has 2 divisors, whose sum is σ = 11148888. Its totient is φ = 11148886.

The previous prime is 11148881. The next prime is 11148899. The reversal of 11148887 is 78884111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11148887 - 2¹⁰ = 11147863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11148887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11148881) 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 as a sum of consecutive naturals, namely, 5574443 + 5574444.

It is an arithmetic number, because the mean of its divisors is an integer number (5574444).

Almost surely, 2^11148887 is an apocalyptic number.

11148887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11148887 is an equidigital number, since it uses as much as digits as its factorization.

11148887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 38.

The square root of 11148887 is about 3338.9949086514. The cubic root of 11148887 is about 223.3969148937.

It can be divided in two parts, 1114 and 8887, that added together give a palindrome (10001).

The spelling of 11148887 in words is "eleven million, one hundred forty-eight thousand, eight hundred eighty-seven".