108187512380 has 96 divisors (see below), whose sum is σ = 236106275328. Its totient is φ = 41610643200.

The previous prime is 108187512373. The next prime is 108187512383. The reversal of 108187512380 is 83215781801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108187512383) 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 31 ways as a sum of consecutive naturals, for example, 78339290 + ... + 78340670.

It is an arithmetic number, because the mean of its divisors is an integer number (2459440368).

Almost surely, 2^108187512380 is an apocalyptic number.

108187512380 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 108187512380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118053137664).

108187512380 is an abundant number, since it is smaller than the sum of its proper divisors (127918762948).

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

108187512380 is a wasteful number, since it uses less digits than its factorization.

108187512380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 108187512380 in words is "one hundred eight billion, one hundred eighty-seven million, five hundred twelve thousand, three hundred eighty".