11881148 has 6 divisors (see below), whose sum is σ = 20792016. Its totient is φ = 5940572.

The previous prime is 11881141. The next prime is 11881157. The reversal of 11881148 is 84118811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11881141) 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, 1485140 + ... + 1485147.

It is an arithmetic number, because the mean of its divisors is an integer number (3465336).

Almost surely, 2^11881148 is an apocalyptic number.

It is an amenable number.

11881148 is a deficient number, since it is larger than the sum of its proper divisors (8910868).

11881148 is a wasteful number, since it uses less digits than its factorization.

11881148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970291 (or 2970289 counting only the distinct ones).

The product of its digits is 2048, while the sum is 32.

The square root of 11881148 is about 3446.9041181907. The cubic root of 11881148 is about 228.1844972228.

Adding to 11881148 its reverse (84118811), we get a palindrome (95999959).

The spelling of 11881148 in words is "eleven million, eight hundred eighty-one thousand, one hundred forty-eight".