11544374417 has 4 divisors (see below), whose sum is σ = 11740041840. Its totient is φ = 11348706996.

The previous prime is 11544374411. The next prime is 11544374449. The reversal of 11544374417 is 71447344511.

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 a cyclic number.

It is not a de Polignac number, because 11544374417 - 2³⁰ = 10470632593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11544374411) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 97833623 + ... + 97833740.

It is an arithmetic number, because the mean of its divisors is an integer number (2935010460).

Almost surely, 2^11544374417 is an apocalyptic number.

It is an amenable number.

11544374417 is a deficient number, since it is larger than the sum of its proper divisors (195667423).

11544374417 is an equidigital number, since it uses as much as digits as its factorization.

11544374417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195667422.

The product of its digits is 188160, while the sum is 41.

The spelling of 11544374417 in words is "eleven billion, five hundred forty-four million, three hundred seventy-four thousand, four hundred seventeen".