11040961 has 4 divisors (see below), whose sum is σ = 11180800. Its totient is φ = 10901124.

The previous prime is 11040959. The next prime is 11040983. The reversal of 11040961 is 16904011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16904011 = 23 ⋅734957.

It is a cyclic number.

It is not a de Polignac number, because 11040961 - 2¹ = 11040959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11040901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69801 + ... + 69958.

It is an arithmetic number, because the mean of its divisors is an integer number (2795200).

Almost surely, 2^11040961 is an apocalyptic number.

It is an amenable number.

11040961 is a deficient number, since it is larger than the sum of its proper divisors (139839).

11040961 is an equidigital number, since it uses as much as digits as its factorization.

11040961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139838.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11040961 is about 3322.7941555263. The cubic root of 11040961 is about 222.6737169631.

Adding to 11040961 its reverse (16904011), we get a palindrome (27944972).

The spelling of 11040961 in words is "eleven million, forty thousand, nine hundred sixty-one".