11190641 has 32 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 8029440.

The previous prime is 11190637. The next prime is 11190643. The reversal of 11190641 is 14609111.

It is not a de Polignac number, because 11190641 - 2² = 11190637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11190643) 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 31 ways as a sum of consecutive naturals, for example, 108596 + ... + 108698.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 2^11190641 is an apocalyptic number.

11190641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11190641 is a deficient number, since it is larger than the sum of its proper divisors (3905167).

11190641 is a wasteful number, since it uses less digits than its factorization.

11190641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11190641 is about 3345.2415458379. The cubic root of 11190641 is about 223.6754507529.

Adding to 11190641 its reverse (14609111), we get a palindrome (25799752).

The spelling of 11190641 in words is "eleven million, one hundred ninety thousand, six hundred forty-one".