11611842 has 16 divisors (see below), whose sum is σ = 25335072. Its totient is φ = 3518720.

The previous prime is 11611829. The next prime is 11611843. The reversal of 11611842 is 24811611.

It is not an unprimeable number, because it can be changed into a prime (11611843) 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, 87903 + ... + 88034.

It is an arithmetic number, because the mean of its divisors is an integer number (1583442).

Almost surely, 2^11611842 is an apocalyptic number.

11611842 is an abundant number, since it is smaller than the sum of its proper divisors (13723230).

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

11611842 is a wasteful number, since it uses less digits than its factorization.

11611842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175953.

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

The square root of 11611842 is about 3407.6152951881. The cubic root of 11611842 is about 226.4472439250.

It can be divided in two parts, 1161 and 1842, that added together give a palindrome (3003).

The spelling of 11611842 in words is "eleven million, six hundred eleven thousand, eight hundred forty-two".