11516005 has 8 divisors (see below), whose sum is σ = 13837824. Its totient is φ = 9200400.

The previous prime is 11515997. The next prime is 11516009. The reversal of 11516005 is 50061511.

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

It is not a de Polignac number, because 11516005 - 2³ = 11515997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5220 + ... + 7090.

It is an arithmetic number, because the mean of its divisors is an integer number (1729728).

Almost surely, 2^11516005 is an apocalyptic number.

It is an amenable number.

11516005 is a deficient number, since it is larger than the sum of its proper divisors (2321819).

11516005 is a wasteful number, since it uses less digits than its factorization.

11516005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 11516005 is about 3393.5239795823. The cubic root of 11516005 is about 225.8225366981.

Adding to 11516005 its reverse (50061511), we get a palindrome (61577516).

The spelling of 11516005 in words is "eleven million, five hundred sixteen thousand, five".