11516601 has 4 divisors (see below), whose sum is σ = 15355472. Its totient is φ = 7677732.

The previous prime is 11516581. The next prime is 11516663. The reversal of 11516601 is 10661511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11516601 - 2⁵ = 11516569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11516101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919431 + ... + 1919436.

It is an arithmetic number, because the mean of its divisors is an integer number (3838868).

Almost surely, 2^11516601 is an apocalyptic number.

It is an amenable number.

11516601 is a deficient number, since it is larger than the sum of its proper divisors (3838871).

11516601 is an equidigital number, since it uses as much as digits as its factorization.

11516601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838870.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 11516601 is about 3393.6117927659. The cubic root of 11516601 is about 225.8264323752.

The spelling of 11516601 in words is "eleven million, five hundred sixteen thousand, six hundred one".