11187057 has 16 divisors (see below), whose sum is σ = 17303552. Its totient is φ = 6296400.

The previous prime is 11187053. The next prime is 11187073. The reversal of 11187057 is 75078111.

It is a happy number.

It is not a de Polignac number, because 11187057 - 2² = 11187053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11187053) 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 15 ways as a sum of consecutive naturals, for example, 2569 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (1081472).

Almost surely, 2^11187057 is an apocalyptic number.

It is an amenable number.

11187057 is a deficient number, since it is larger than the sum of its proper divisors (6116495).

11187057 is an equidigital number, since it uses as much as digits as its factorization.

11187057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8028.

The product of its (nonzero) digits is 1960, while the sum is 30.

The square root of 11187057 is about 3344.7058166601. The cubic root of 11187057 is about 223.6515695349.

The spelling of 11187057 in words is "eleven million, one hundred eighty-seven thousand, fifty-seven".