11572844798871 has 48 divisors (see below), whose sum is σ = 16917154208448. Its totient is φ = 7622875008000.

The previous prime is 11572844798839. The next prime is 11572844798873. The reversal of 11572844798871 is 17889744827511.

11572844798871 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 2 + 8 + 4 + 479 + 88 + 71 = 666.

It is not a de Polignac number, because 11572844798871 - 2⁵ = 11572844798839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11572844798871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572844798873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1535467215 + ... + 1535474751.

It is an arithmetic number, because the mean of its divisors is an integer number (352440712676).

Almost surely, 2^{11572844798871} is an apocalyptic number.

11572844798871 is a deficient number, since it is larger than the sum of its proper divisors (5344309409577).

11572844798871 is a wasteful number, since it uses less digits than its factorization.

11572844798871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10952 (or 10949 counting only the distinct ones).

The product of its digits is 252887040, while the sum is 72.

The spelling of 11572844798871 in words is "eleven trillion, five hundred seventy-two billion, eight hundred forty-four million, seven hundred ninety-eight thousand, eight hundred seventy-one".