11315601 has 12 divisors (see below), whose sum is σ = 17830800. Its totient is φ = 6857880.

The previous prime is 11315587. The next prime is 11315611. The reversal of 11315601 is 10651311.

It is not a de Polignac number, because 11315601 - 2⁵ = 11315569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11315611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57051 + ... + 57248.

It is an arithmetic number, because the mean of its divisors is an integer number (1485900).

Almost surely, 2^11315601 is an apocalyptic number.

11315601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11315601 is a deficient number, since it is larger than the sum of its proper divisors (6515199).

11315601 is a wasteful number, since it uses less digits than its factorization.

11315601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114316 (or 114313 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 11315601 is about 3363.8669712104. The cubic root of 11315601 is about 224.5049262894.

Adding to 11315601 its reverse (10651311), we get a palindrome (21966912).

The spelling of 11315601 in words is "eleven million, three hundred fifteen thousand, six hundred one".