11145015 has 24 divisors (see below), whose sum is σ = 22078368. Its totient is φ = 5094720.

The previous prime is 11145007. The next prime is 11145023. The reversal of 11145015 is 51054111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11145007) and next prime (11145023).

It is not a de Polignac number, because 11145015 - 2³ = 11145007 is a prime.

It is a super-2 number, since 2×11145015² = 248422718700450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 17376 + ... + 18005.

It is an arithmetic number, because the mean of its divisors is an integer number (919932).

Almost surely, 2^11145015 is an apocalyptic number.

11145015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11145015 is a deficient number, since it is larger than the sum of its proper divisors (10933353).

11145015 is a wasteful number, since it uses less digits than its factorization.

11145015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35399 (or 35396 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 11145015 is about 3338.4150431005. The cubic root of 11145015 is about 223.3710500395.

Adding to 11145015 its reverse (51054111), we get a palindrome (62199126).

The spelling of 11145015 in words is "eleven million, one hundred forty-five thousand, fifteen".