11187058 has 4 divisors (see below), whose sum is σ = 16780590. Its totient is φ = 5593528.

The previous prime is 11187053. The next prime is 11187073. The reversal of 11187058 is 85078111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85078111 = 3943 ⋅21577.

It can be written as a sum of positive squares in only one way, i.e., 9715689 + 1471369 = 3117^2 + 1213^2 .

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 as a sum of consecutive naturals, namely, 2796763 + ... + 2796766.

Almost surely, 2^11187058 is an apocalyptic number.

11187058 is a deficient number, since it is larger than the sum of its proper divisors (5593532).

11187058 is an equidigital number, since it uses as much as digits as its factorization.

11187058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593531.

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 11187058 is about 3344.7059661501. The cubic root of 11187058 is about 223.6515761989.

The spelling of 11187058 in words is "eleven million, one hundred eighty-seven thousand, fifty-eight".