11141001 has 12 divisors (see below), whose sum is σ = 17039412. Its totient is φ = 6990336.

The previous prime is 11140957. The next prime is 11141003. The reversal of 11141001 is 10014111.

It can be written as a sum of positive squares in 2 ways, for example, as 7160976 + 3980025 = 2676^2 + 1995^2 .

It is not a de Polignac number, because 11141001 - 2⁶ = 11140937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11141003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36256 + ... + 36561.

It is an arithmetic number, because the mean of its divisors is an integer number (1419951).

Almost surely, 2^11141001 is an apocalyptic number.

It is an amenable number.

11141001 is a deficient number, since it is larger than the sum of its proper divisors (5898411).

11141001 is a wasteful number, since it uses less digits than its factorization.

11141001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72840 (or 72837 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 11141001 is about 3337.8138054721. The cubic root of 11141001 is about 223.3442303042.

Adding to 11141001 its reverse (10014111), we get a palindrome (21155112).

The spelling of 11141001 in words is "eleven million, one hundred forty-one thousand, one".