11544571312 has 20 divisors (see below), whose sum is σ = 22370186520. Its totient is φ = 5771619968.

The previous prime is 11544571307. The next prime is 11544571321. The reversal of 11544571312 is 21317544511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120639 + ... + 194017.

It is an arithmetic number, because the mean of its divisors is an integer number (1118509326).

Almost surely, 2^11544571312 is an apocalyptic number.

It is an amenable number.

11544571312 is a deficient number, since it is larger than the sum of its proper divisors (10825615208).

11544571312 is an equidigital number, since it uses as much as digits as its factorization.

11544571312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83220 (or 83214 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The spelling of 11544571312 in words is "eleven billion, five hundred forty-four million, five hundred seventy-one thousand, three hundred twelve".