11611144 has 8 divisors (see below), whose sum is σ = 21770910. Its totient is φ = 5805568.

The previous prime is 11611133. The next prime is 11611151. The reversal of 11611144 is 44111611.

It can be written as a sum of positive squares in only one way, i.e., 9998244 + 1612900 = 3162^2 + 1270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725689 + ... + 725704.

Almost surely, 2^11611144 is an apocalyptic number.

It is an amenable number.

11611144 is a deficient number, since it is larger than the sum of its proper divisors (10159766).

11611144 is a wasteful number, since it uses less digits than its factorization.

11611144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451399 (or 1451395 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

The square root of 11611144 is about 3407.5128759845. The cubic root of 11611144 is about 226.4427065070.

Adding to 11611144 its reverse (44111611), we get a palindrome (55722755).

The spelling of 11611144 in words is "eleven million, six hundred eleven thousand, one hundred forty-four".