1875443328881 has 8 divisors (see below), whose sum is σ = 1877250181800. Its totient is φ = 1873636686720.

The previous prime is 1875443328853. The next prime is 1875443328901. The reversal of 1875443328881 is 1888233445781.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 88021395856 + 1787421933025 = 296684^2 + 1336945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1875443328881 - 2¹⁸ = 1875443066737 is a prime.

It is a super-2 number, since 2×1875443328881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1875443328581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22236611 + ... + 22320791.

It is an arithmetic number, because the mean of its divisors is an integer number (234656272725).

Almost surely, 2^{1875443328881} is an apocalyptic number.

It is an amenable number.

1875443328881 is a deficient number, since it is larger than the sum of its proper divisors (1806852919).

1875443328881 is a wasteful number, since it uses less digits than its factorization.

1875443328881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105379.

The product of its digits is 41287680, while the sum is 62.

The spelling of 1875443328881 in words is "one trillion, eight hundred seventy-five billion, four hundred forty-three million, three hundred twenty-eight thousand, eight hundred eighty-one".