1881172531200 has 288 divisors, whose sum is σ = 6363539582400. Its totient is φ = 489978101760.

The previous prime is 1881172531181. The next prime is 1881172531207. The reversal of 1881172531200 is 21352711881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881172531207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6462391 + ... + 6747209.

It is an arithmetic number, because the mean of its divisors is an integer number (22095623550).

Almost surely, 2^{1881172531200} is an apocalyptic number.

1881172531200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1881172531200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3181769791200).

1881172531200 is an abundant number, since it is smaller than the sum of its proper divisors (4482367051200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1881172531200 is a wasteful number, since it uses less digits than its factorization.

1881172531200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284897 (or 284872 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 39.

The spelling of 1881172531200 in words is "one trillion, eight hundred eighty-one billion, one hundred seventy-two million, five hundred thirty-one thousand, two hundred".