981144200342041 has 16 divisors (see below), whose sum is σ = 989730482176000. Its totient is φ = 972571727973888.

The previous prime is 981144200342027. The next prime is 981144200342069. The reversal of 981144200342041 is 140243002441189.

It is a cyclic number.

It is not a de Polignac number, because 981144200342041 - 2⁷ = 981144200341913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981144200342021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687495985 + ... + 688921633.

It is an arithmetic number, because the mean of its divisors is an integer number (61858155136000).

Almost surely, 2^{981144200342041} is an apocalyptic number.

It is an amenable number.

981144200342041 is a deficient number, since it is larger than the sum of its proper divisors (8586281833959).

981144200342041 is a wasteful number, since it uses less digits than its factorization.

981144200342041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430488.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 981144200342041 in words is "nine hundred eighty-one trillion, one hundred forty-four billion, two hundred million, three hundred forty-two thousand, forty-one".