11415601 has 4 divisors (see below), whose sum is σ = 11602804. Its totient is φ = 11228400.

The previous prime is 11415577. The next prime is 11415611. The reversal of 11415601 is 10651411.

11415601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10651411 = 853 ⋅12487.

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 11189025 = 476^2 + 3345^2 .

It is a cyclic number.

It is not a de Polignac number, because 11415601 - 2¹¹ = 11413553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11415611) 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, 93510 + ... + 93631.

It is an arithmetic number, because the mean of its divisors is an integer number (2900701).

Almost surely, 2^11415601 is an apocalyptic number.

It is an amenable number.

11415601 is a deficient number, since it is larger than the sum of its proper divisors (187203).

11415601 is an equidigital number, since it uses as much as digits as its factorization.

11415601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187202.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 11415601 is about 3378.6981220583. The cubic root of 11415601 is about 225.1643309788.

The spelling of 11415601 in words is "eleven million, four hundred fifteen thousand, six hundred one".