11815030 has 16 divisors (see below), whose sum is σ = 21953664. Its totient is φ = 4573440.

The previous prime is 11815019. The next prime is 11815033. The reversal of 11815030 is 3051811.

It is a junction number, because it is equal to n+sod(n) for n = 11814989 and 11815007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11815033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18747 + ... + 19366.

It is an arithmetic number, because the mean of its divisors is an integer number (1372104).

Almost surely, 2^11815030 is an apocalyptic number.

11815030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11815030 is a deficient number, since it is larger than the sum of its proper divisors (10138634).

11815030 is a wasteful number, since it uses less digits than its factorization.

11815030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38151.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 11815030 is about 3437.2998123527. The cubic root of 11815030 is about 227.7604311376.

Adding to 11815030 its reverse (3051811), we get a palindrome (14866841).

The spelling of 11815030 in words is "eleven million, eight hundred fifteen thousand, thirty".