11148642 has 18 divisors (see below), whose sum is σ = 24186123. Its totient is φ = 3711492.

The previous prime is 11148637. The next prime is 11148647. The reversal of 11148642 is 24684111.

It is a happy number.

11148642 is a `hidden beast` number, since 1 + 1 + 14 + 8 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (11148637) and next prime (11148647).

It can be written as a sum of positive squares in only one way, i.e., 5574321 + 5574321 = 2361^2 + 2361^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2361.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11148647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13773 + ... + 14559.

Almost surely, 2^11148642 is an apocalyptic number.

11148642 is an abundant number, since it is smaller than the sum of its proper divisors (13037481).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11148642 is an frugal number, since it uses more digits than its factorization.

11148642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 792 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 11148642 is about 3338.9582207629. The cubic root of 11148642 is about 223.3952784779.

The spelling of 11148642 in words is "eleven million, one hundred forty-eight thousand, six hundred forty-two".