11516001 has 16 divisors (see below), whose sum is σ = 17762304. Its totient is φ = 6500304.

The previous prime is 11515997. The next prime is 11516009. The reversal of 11516001 is 10061511.

It is not a de Polignac number, because 11516001 - 2² = 11515997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11516009) 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 15 ways as a sum of consecutive naturals, for example, 1561 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (1110144).

Almost surely, 2^11516001 is an apocalyptic number.

It is an amenable number.

11516001 is a deficient number, since it is larger than the sum of its proper divisors (6246303).

11516001 is an equidigital number, since it uses as much as digits as its factorization.

11516001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 11516001 is about 3393.5233902244. The cubic root of 11516001 is about 225.8225105522.

Adding to 11516001 its reverse (10061511), we get a palindrome (21577512).

The spelling of 11516001 in words is "eleven million, five hundred sixteen thousand, one".