11380148 has 12 divisors (see below), whose sum is σ = 21447300. Its totient is φ = 5252352.

The previous prime is 11380141. The next prime is 11380181. The reversal of 11380148 is 84108311.

It can be written as a sum of positive squares in 2 ways, for example, as 5484964 + 5895184 = 2342^2 + 2428^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11380141) 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 in 3 ways as a sum of consecutive naturals, for example, 109373 + ... + 109476.

It is an arithmetic number, because the mean of its divisors is an integer number (1787275).

Almost surely, 2^11380148 is an apocalyptic number.

It is an amenable number.

11380148 is a deficient number, since it is larger than the sum of its proper divisors (10067152).

11380148 is a wasteful number, since it uses less digits than its factorization.

11380148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218866 (or 218864 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 11380148 is about 3373.4474947744. The cubic root of 11380148 is about 224.9309944766.

Adding to 11380148 its reverse (84108311), we get a palindrome (95488459).

The spelling of 11380148 in words is "eleven million, three hundred eighty thousand, one hundred forty-eight".