11021542 has 16 divisors (see below), whose sum is σ = 20005920. Its totient is φ = 4445568.

The previous prime is 11021533. The next prime is 11021573. The reversal of 11021542 is 24512011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22917 + ... + 23392.

It is an arithmetic number, because the mean of its divisors is an integer number (1250370).

Almost surely, 2^11021542 is an apocalyptic number.

11021542 is a deficient number, since it is larger than the sum of its proper divisors (8984378).

11021542 is a wasteful number, since it uses less digits than its factorization.

11021542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46335.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11021542 is about 3319.8707806178. The cubic root of 11021542 is about 222.5430931136.

Adding to 11021542 its reverse (24512011), we get a palindrome (35533553).

The spelling of 11021542 in words is "eleven million, twenty-one thousand, five hundred forty-two".