11040155 has 32 divisors (see below), whose sum is σ = 15984000. Its totient is φ = 7160832.

The previous prime is 11040151. The next prime is 11040163. The reversal of 11040155 is 55104011.

It is not a de Polignac number, because 11040155 - 2² = 11040151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11040151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74021 + ... + 74169.

It is an arithmetic number, because the mean of its divisors is an integer number (499500).

Almost surely, 2^11040155 is an apocalyptic number.

11040155 is a deficient number, since it is larger than the sum of its proper divisors (4943845).

11040155 is a wasteful number, since it uses less digits than its factorization.

11040155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 11040155 is about 3322.6728698444. The cubic root of 11040155 is about 222.6682983713.

Adding to 11040155 its reverse (55104011), we get a palindrome (66144166).

The spelling of 11040155 in words is "eleven million, forty thousand, one hundred fifty-five".