11846221875 has 72 divisors (see below), whose sum is σ = 22318759008. Its totient is φ = 6042960000.

The previous prime is 11846221837. The next prime is 11846221909. The reversal of 11846221875 is 57812264811.

11846221875 is a `hidden beast` number, since 1 + 1 + 8 + 4 + 622 + 18 + 7 + 5 = 666.

It is not a de Polignac number, because 11846221875 - 2¹⁶ = 11846156339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11846221875.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 637719 + ... + 656031.

It is an arithmetic number, because the mean of its divisors is an integer number (309982764).

Almost surely, 2^11846221875 is an apocalyptic number.

11846221875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11846221875 is a deficient number, since it is larger than the sum of its proper divisors (10472537133).

11846221875 is an equidigital number, since it uses as much as digits as its factorization.

11846221875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18367 (or 18344 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The spelling of 11846221875 in words is "eleven billion, eight hundred forty-six million, two hundred twenty-one thousand, eight hundred seventy-five".