108012533091 has 16 divisors (see below), whose sum is σ = 148744731648. Its totient is φ = 69646917600.

The previous prime is 108012533071. The next prime is 108012533171. The reversal of 108012533091 is 190335210801.

It is not a de Polignac number, because 108012533091 - 2²⁶ = 107945424227 is a prime.

It is a super-4 number, since 4×108012533091⁴ (a number of 45 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (108012533011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152236 + ... + 489081.

It is an arithmetic number, because the mean of its divisors is an integer number (9296545728).

Almost surely, 2^108012533091 is an apocalyptic number.

108012533091 is a deficient number, since it is larger than the sum of its proper divisors (40732198557).

108012533091 is a wasteful number, since it uses less digits than its factorization.

108012533091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643162.

The product of its (nonzero) digits is 6480, while the sum is 33.

Adding to 108012533091 its reverse (190335210801), we get a palindrome (298347743892).

The spelling of 108012533091 in words is "one hundred eight billion, twelve million, five hundred thirty-three thousand, ninety-one".