11575001 has 4 divisors (see below), whose sum is σ = 11721600. Its totient is φ = 11428404.

The previous prime is 11574961. The next prime is 11575051. The reversal of 11575001 is 10057511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10057511 = 127 ⋅79193.

It is a cyclic number.

It is not a de Polignac number, because 11575001 - 2¹⁰ = 11573977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11575051) 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 3 ways as a sum of consecutive naturals, for example, 73181 + ... + 73338.

It is an arithmetic number, because the mean of its divisors is an integer number (2930400).

Almost surely, 2^11575001 is an apocalyptic number.

It is an amenable number.

11575001 is a deficient number, since it is larger than the sum of its proper divisors (146599).

11575001 is an equidigital number, since it uses as much as digits as its factorization.

11575001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146598.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 11575001 is about 3402.2053142043. The cubic root of 11575001 is about 226.2075064421.

The spelling of 11575001 in words is "eleven million, five hundred seventy-five thousand, one".