1988341711171 has 8 divisors (see below), whose sum is σ = 2022106523760. Its totient is φ = 1954579035552.

The previous prime is 1988341711141. The next prime is 1988341711189. The reversal of 1988341711171 is 1711171438891.

It is a happy number.

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 1988341711171 - 2²⁵ = 1988308156739 is a prime.

It is a super-3 number, since 3×1988341711171³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1988341711141) 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, 1401501 + ... + 2437393.

It is an arithmetic number, because the mean of its divisors is an integer number (252763315470).

Almost surely, 2^{1988341711171} is an apocalyptic number.

1988341711171 is a deficient number, since it is larger than the sum of its proper divisors (33764812589).

1988341711171 is a wasteful number, since it uses less digits than its factorization.

1988341711171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068485.

The product of its digits is 338688, while the sum is 52.

The spelling of 1988341711171 in words is "one trillion, nine hundred eighty-eight billion, three hundred forty-one million, seven hundred eleven thousand, one hundred seventy-one".