8109137541 has 16 divisors (see below), whose sum is σ = 11068527680. Its totient is φ = 5279195520.

The previous prime is 8109137539. The next prime is 8109137551. The reversal of 8109137541 is 1457319018.

It is not a de Polignac number, because 8109137541 - 2¹ = 8109137539 is a prime.

It is a super-2 number, since 2×8109137541² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8109137541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8109137521) 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 15 ways as a sum of consecutive naturals, for example, 133960 + ... + 184833.

It is an arithmetic number, because the mean of its divisors is an integer number (691782980).

Almost surely, 2^8109137541 is an apocalyptic number.

It is an amenable number.

8109137541 is a deficient number, since it is larger than the sum of its proper divisors (2959390139).

8109137541 is a wasteful number, since it uses less digits than its factorization.

8109137541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318996.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 8109137541 is about 90050.7498080943. The cubic root of 8109137541 is about 2009.0537480614.

The spelling of 8109137541 in words is "eight billion, one hundred nine million, one hundred thirty-seven thousand, five hundred forty-one".