11040557 has 8 divisors (see below), whose sum is σ = 12433152. Its totient is φ = 9712800.

The previous prime is 11040527. The next prime is 11040559. The reversal of 11040557 is 75504011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11040557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040559) 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 7 ways as a sum of consecutive naturals, for example, 15848 + ... + 16529.

It is an arithmetic number, because the mean of its divisors is an integer number (1554144).

Almost surely, 2^11040557 is an apocalyptic number.

It is an amenable number.

11040557 is a deficient number, since it is larger than the sum of its proper divisors (1392595).

11040557 is a wasteful number, since it uses less digits than its factorization.

11040557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32419.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 11040557 is about 3322.7333627602. The cubic root of 11040557 is about 222.6710009774.

Adding to 11040557 its reverse (75504011), we get a palindrome (86544568).

The spelling of 11040557 in words is "eleven million, forty thousand, five hundred fifty-seven".