11005630 has 32 divisors (see below), whose sum is σ = 21500640. Its totient is φ = 4039680.

The previous prime is 11005627. The next prime is 11005633. The reversal of 11005630 is 3650011.

It is an interprime number because it is at equal distance from previous prime (11005627) and next prime (11005633).

It is a super-2 number, since 2×11005630² = 242247783393800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6181 + ... + 7759.

It is an arithmetic number, because the mean of its divisors is an integer number (671895).

Almost surely, 2^11005630 is an apocalyptic number.

11005630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11005630 is a deficient number, since it is larger than the sum of its proper divisors (10495010).

11005630 is a wasteful number, since it uses less digits than its factorization.

11005630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 11005630 is about 3317.4734362162. The cubic root of 11005630 is about 222.4359450338.

Adding to 11005630 its reverse (3650011), we get a palindrome (14655641).

The spelling of 11005630 in words is "eleven million, five thousand, six hundred thirty".