108651805072 has 20 divisors (see below), whose sum is σ = 217771937820. Its totient is φ = 52452595328.

The previous prime is 108651805069. The next prime is 108651805081. The reversal of 108651805072 is 270508156801.

It can be written as a sum of positive squares in 2 ways, for example, as 75990640896 + 32661164176 = 275664^2 + 180724^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 117081223 + ... + 117082150.

It is an arithmetic number, because the mean of its divisors is an integer number (10888596891).

Almost surely, 2^108651805072 is an apocalyptic number.

It is an amenable number.

108651805072 is an abundant number, since it is smaller than the sum of its proper divisors (109120132748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108651805072 is a wasteful number, since it uses less digits than its factorization.

108651805072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234163410 (or 234163404 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 108651805072 in words is "one hundred eight billion, six hundred fifty-one million, eight hundred five thousand, seventy-two".