108591125841 has 36 divisors (see below), whose sum is σ = 177069386676. Its totient is φ = 64034055360.

The previous prime is 108591125807. The next prime is 108591125869. The reversal of 108591125841 is 148521195801.

108591125841 is a `hidden beast` number, since 1 + 0 + 8 + 59 + 1 + 12 + 584 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82047873600 + 26543252241 = 286440^2 + 162921^2 .

It is not a de Polignac number, because 108591125841 - 2¹⁵ = 108591093073 is a prime.

It is a super-2 number, since 2×108591125841² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108591121841) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1307226 + ... + 1387811.

Almost surely, 2^108591125841 is an apocalyptic number.

108591125841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108591125841 is a deficient number, since it is larger than the sum of its proper divisors (68478260835).

108591125841 is a wasteful number, since it uses less digits than its factorization.

108591125841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695102 (or 2695088 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 45.

It can be divided in two parts, 108591 and 125841, that added together give a palindrome (234432).

The spelling of 108591125841 in words is "one hundred eight billion, five hundred ninety-one million, one hundred twenty-five thousand, eight hundred forty-one".