11580542 has 4 divisors (see below), whose sum is σ = 17370816. Its totient is φ = 5790270.

The previous prime is 11580533. The next prime is 11580551. The reversal of 11580542 is 24508511.

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 (11580533) and next prime (11580551).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2895134 + ... + 2895137.

It is an arithmetic number, because the mean of its divisors is an integer number (4342704).

Almost surely, 2^11580542 is an apocalyptic number.

11580542 is a deficient number, since it is larger than the sum of its proper divisors (5790274).

11580542 is an equidigital number, since it uses as much as digits as its factorization.

11580542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790273.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 11580542 is about 3403.0195415248. The cubic root of 11580542 is about 226.2435961681.

The spelling of 11580542 in words is "eleven million, five hundred eighty thousand, five hundred forty-two".