108727997041 has 16 divisors (see below), whose sum is σ = 112738519888. Its totient is φ = 104808038400.

The previous prime is 108727997029. The next prime is 108727997057. The reversal of 108727997041 is 140799727801.

It is the 134616-th star number.

It can be written as a sum of positive squares in 8 ways, for example, as 16691606416 + 92036390625 = 129196^2 + 303375^2 .

It is a 5-Lehmer number, since φ(108727997041) divides (108727997041-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 108727997041 - 2⁵ = 108727997009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108727997641) 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, 621361 + ... + 776881.

It is an arithmetic number, because the mean of its divisors is an integer number (7046157493).

Almost surely, 2^108727997041 is an apocalyptic number.

It is an amenable number.

108727997041 is a deficient number, since it is larger than the sum of its proper divisors (4010522847).

108727997041 is a wasteful number, since it uses less digits than its factorization.

108727997041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155812.

The product of its (nonzero) digits is 1778112, while the sum is 55.

The spelling of 108727997041 in words is "one hundred eight billion, seven hundred twenty-seven million, nine hundred ninety-seven thousand, forty-one".