11515141 has 8 divisors (see below), whose sum is σ = 12829824. Its totient is φ = 10245120.

The previous prime is 11515139. The next prime is 11515181. The reversal of 11515141 is 14151511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11515141 - 2¹ = 11515139 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515181) 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 7 ways as a sum of consecutive naturals, for example, 10620 + ... + 11653.

It is an arithmetic number, because the mean of its divisors is an integer number (1603728).

Almost surely, 2^11515141 is an apocalyptic number.

11515141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11515141 is a deficient number, since it is larger than the sum of its proper divisors (1314683).

11515141 is a wasteful number, since it uses less digits than its factorization.

11515141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22331.

The product of its digits is 100, while the sum is 19.

The square root of 11515141 is about 3393.3966758986. The cubic root of 11515141 is about 225.8168890350.

Adding to 11515141 its reverse (14151511), we get a palindrome (25666652).

The spelling of 11515141 in words is "eleven million, five hundred fifteen thousand, one hundred forty-one".