11145601 has 4 divisors (see below), whose sum is σ = 11179012. Its totient is φ = 11112192.

The previous prime is 11145583. The next prime is 11145619. The reversal of 11145601 is 10654111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11145583) and next prime (11145619).

It can be written as a sum of positive squares in 2 ways, for example, as 4096576 + 7049025 = 2024^2 + 2655^2 .

It is a cyclic number.

It is not a de Polignac number, because 11145601 - 2⁵ = 11145569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11145661) 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, 16200 + ... + 16873.

It is an arithmetic number, because the mean of its divisors is an integer number (2794753).

Almost surely, 2^11145601 is an apocalyptic number.

It is an amenable number.

11145601 is a deficient number, since it is larger than the sum of its proper divisors (33411).

11145601 is an equidigital number, since it uses as much as digits as its factorization.

11145601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33410.

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

The square root of 11145601 is about 3338.5028081462. The cubic root of 11145601 is about 223.3749648882.

Adding to 11145601 its reverse (10654111), we get a palindrome (21799712).

The spelling of 11145601 in words is "eleven million, one hundred forty-five thousand, six hundred one".