141993056881 has 8 divisors (see below), whose sum is σ = 152919431784. Its totient is φ = 131067229440.

The previous prime is 141993056873. The next prime is 141993056911. The reversal of 141993056881 is 188650399141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2266616881 + 139726440000 = 47609^2 + 373800^2 .

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 141993056881 - 2³ = 141993056873 is a prime.

It is a super-2 number, since 2×141993056881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141993056831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517851 + ... + 743071.

It is an arithmetic number, because the mean of its divisors is an integer number (19114928973).

Almost surely, 2^141993056881 is an apocalyptic number.

It is an amenable number.

141993056881 is a deficient number, since it is larger than the sum of its proper divisors (10926374903).

141993056881 is a wasteful number, since it uses less digits than its factorization.

141993056881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273731.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 141993056881 in words is "one hundred forty-one billion, nine hundred ninety-three million, fifty-six thousand, eight hundred eighty-one".