11958848573 has 4 divisors (see below), whose sum is σ = 13667255520. Its totient is φ = 10250441628.

The previous prime is 11958848569. The next prime is 11958848593. The reversal of 11958848573 is 37584885911.

11958848573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 37584885911 = 14639 ⋅2567449.

It is not a de Polignac number, because 11958848573 - 2² = 11958848569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11958848593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854203463 + ... + 854203476.

It is an arithmetic number, because the mean of its divisors is an integer number (3416813880).

Almost surely, 2^11958848573 is an apocalyptic number.

It is an amenable number.

11958848573 is a deficient number, since it is larger than the sum of its proper divisors (1708406947).

11958848573 is an equidigital number, since it uses as much as digits as its factorization.

11958848573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708406946.

The product of its digits is 9676800, while the sum is 59.

The spelling of 11958848573 in words is "eleven billion, nine hundred fifty-eight million, eight hundred forty-eight thousand, five hundred seventy-three".