141891978911 has 8 divisors (see below), whose sum is σ = 146789550480. Its totient is φ = 136994723712.

The previous prime is 141891978889. The next prime is 141891978931. The reversal of 141891978911 is 119879198141.

141891978911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141891978911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141891978931) 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, 1165616 + ... + 1281578.

It is an arithmetic number, because the mean of its divisors is an integer number (18348693810).

Almost surely, 2^141891978911 is an apocalyptic number.

141891978911 is a deficient number, since it is larger than the sum of its proper divisors (4897571569).

141891978911 is a wasteful number, since it uses less digits than its factorization.

141891978911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158185.

The product of its digits is 1306368, while the sum is 59.

The spelling of 141891978911 in words is "one hundred forty-one billion, eight hundred ninety-one million, nine hundred seventy-eight thousand, nine hundred eleven".