11548521371 has 4 divisors (see below), whose sum is σ = 11574590712. Its totient is φ = 11522452032.

The previous prime is 11548521349. The next prime is 11548521389. The reversal of 11548521371 is 17312584511.

11548521371 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 an emirpimes, since its reverse is a distinct semiprime: 17312584511 = 3929 ⋅4406359.

It is a cyclic number.

It is not a de Polignac number, because 11548521371 - 2³⁰ = 10474779547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11548521301) 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, 13034006 + ... + 13034891.

It is an arithmetic number, because the mean of its divisors is an integer number (2893647678).

Almost surely, 2^11548521371 is an apocalyptic number.

11548521371 is a deficient number, since it is larger than the sum of its proper divisors (26069341).

11548521371 is an equidigital number, since it uses as much as digits as its factorization.

11548521371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26069340.

The product of its digits is 33600, while the sum is 38.

The spelling of 11548521371 in words is "eleven billion, five hundred forty-eight million, five hundred twenty-one thousand, three hundred seventy-one".