108693256280 has 128 divisors (see below), whose sum is σ = 295036560000. Its totient is φ = 35981084160.

The previous prime is 108693256277. The next prime is 108693256291. The reversal of 108693256280 is 82652396801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261290 + ... + 534470.

It is an arithmetic number, because the mean of its divisors is an integer number (2304973125).

Almost surely, 2^108693256280 is an apocalyptic number.

108693256280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108693256280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147518280000).

108693256280 is an abundant number, since it is smaller than the sum of its proper divisors (186343303720).

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

108693256280 is a wasteful number, since it uses less digits than its factorization.

108693256280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273242 (or 273224 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 108693256280 in words is "one hundred eight billion, six hundred ninety-three million, two hundred fifty-six thousand, two hundred eighty".