11115130 has 24 divisors (see below), whose sum is σ = 21667932. Its totient is φ = 4103424.

The previous prime is 11115119. The next prime is 11115131. The reversal of 11115130 is 3151111.

It can be written as a sum of positive squares in 6 ways, for example, as 4255969 + 6859161 = 2063^2 + 2619^2 .

It is a super-2 number, since 2×11115130² = 247092229833800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11115130.

It is not an unprimeable number, because it can be changed into a prime (11115131) 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 11 ways as a sum of consecutive naturals, for example, 1599 + ... + 4978.

Almost surely, 2^11115130 is an apocalyptic number.

11115130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11115130 is a deficient number, since it is larger than the sum of its proper divisors (10552802).

11115130 is a wasteful number, since it uses less digits than its factorization.

11115130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610 (or 6597 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 13.

The square root of 11115130 is about 3333.9361121653. The cubic root of 11115130 is about 223.1712172175.

Adding to 11115130 its reverse (3151111), we get a palindrome (14266241).

It can be divided in two parts, 1111 and 5130, that added together give a square (6241 = 79²).

The spelling of 11115130 in words is "eleven million, one hundred fifteen thousand, one hundred thirty".