108885921129 has 12 divisors (see below), whose sum is σ = 157637937600. Its totient is φ = 72425256984.

The previous prime is 108885921119. The next prime is 108885921149. The reversal of 108885921129 is 921129588801.

108885921129 is a `hidden beast` number, since 10 + 8 + 8 + 8 + 592 + 11 + 29 = 666.

It is not a de Polignac number, because 108885921129 - 2¹¹ = 108885919081 is a prime.

It is a super-2 number, since 2×108885921129² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108885921119) 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 11 ways as a sum of consecutive naturals, for example, 13775589 + ... + 13783490.

It is an arithmetic number, because the mean of its divisors is an integer number (13136494800).

Almost surely, 2^108885921129 is an apocalyptic number.

It is an amenable number.

108885921129 is a deficient number, since it is larger than the sum of its proper divisors (48752016471).

108885921129 is a wasteful number, since it uses less digits than its factorization.

108885921129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27559524 (or 27559521 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 54.

The spelling of 108885921129 in words is "one hundred eight billion, eight hundred eighty-five million, nine hundred twenty-one thousand, one hundred twenty-nine".