11532057 has 4 divisors (see below), whose sum is σ = 15376080. Its totient is φ = 7688036.

The previous prime is 11532047. The next prime is 11532067. The reversal of 11532057 is 75023511.

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.

It is an interprime number because it is at equal distance from previous prime (11532047) and next prime (11532067).

It is a cyclic number.

It is not a de Polignac number, because 11532057 - 2⁸ = 11531801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11532047) 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, 1922007 + ... + 1922012.

It is an arithmetic number, because the mean of its divisors is an integer number (3844020).

Almost surely, 2^11532057 is an apocalyptic number.

It is an amenable number.

11532057 is a deficient number, since it is larger than the sum of its proper divisors (3844023).

11532057 is an equidigital number, since it uses as much as digits as its factorization.

11532057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844022.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 11532057 is about 3395.8882490447. Note that the first 3 decimals coincide. The cubic root of 11532057 is about 225.9274116216.

Adding to 11532057 its reverse (75023511), we get a palindrome (86555568).

The spelling of 11532057 in words is "eleven million, five hundred thirty-two thousand, fifty-seven".