1881181002352 has 40 divisors (see below), whose sum is σ = 3736725053040. Its totient is φ = 916902213120.

The previous prime is 1881181002347. The next prime is 1881181002359. The reversal of 1881181002352 is 2532001811881.

It is a super-2 number, since 2×1881181002352² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881181002359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360438 + ... + 1972885.

It is an arithmetic number, because the mean of its divisors is an integer number (93418126326).

Almost surely, 2^{1881181002352} is an apocalyptic number.

It is an amenable number.

1881181002352 is a deficient number, since it is larger than the sum of its proper divisors (1855544050688).

1881181002352 is a wasteful number, since it uses less digits than its factorization.

1881181002352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334601 (or 2334595 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 40.

The spelling of 1881181002352 in words is "one trillion, eight hundred eighty-one billion, one hundred eighty-one million, two thousand, three hundred fifty-two".