11575057 has 8 divisors (see below), whose sum is σ = 12496680. Its totient is φ = 10657920.

The previous prime is 11575051. The next prime is 11575061. The reversal of 11575057 is 75057511.

It can be written as a sum of positive squares in 4 ways, for example, as 76176 + 11498881 = 276^2 + 3391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11575057 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5919 + ... + 7627.

It is an arithmetic number, because the mean of its divisors is an integer number (1562085).

Almost surely, 2^11575057 is an apocalyptic number.

It is an amenable number.

11575057 is a deficient number, since it is larger than the sum of its proper divisors (921623).

11575057 is a wasteful number, since it uses less digits than its factorization.

11575057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its (nonzero) digits is 6125, while the sum is 31.

The square root of 11575057 is about 3402.2135441503. The cubic root of 11575057 is about 226.2078712398.

The spelling of 11575057 in words is "eleven million, five hundred seventy-five thousand, fifty-seven".