11161842 has 16 divisors (see below), whose sum is σ = 22799232. Its totient is φ = 3641360.

The previous prime is 11161807. The next prime is 11161847. The reversal of 11161842 is 24816111.

It is not an unprimeable number, because it can be changed into a prime (11161847) 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 7 ways as a sum of consecutive naturals, for example, 19509 + ... + 20072.

It is an arithmetic number, because the mean of its divisors is an integer number (1424952).

Almost surely, 2^11161842 is an apocalyptic number.

11161842 is an abundant number, since it is smaller than the sum of its proper divisors (11637390).

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

11161842 is a wasteful number, since it uses less digits than its factorization.

11161842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39633.

The product of its digits is 384, while the sum is 24.

The square root of 11161842 is about 3340.9343004615. The cubic root of 11161842 is about 223.4834104268.

Adding to 11161842 its reverse (24816111), we get a palindrome (35977953).

The spelling of 11161842 in words is "eleven million, one hundred sixty-one thousand, eight hundred forty-two".