108551193457320 has 384 divisors, whose sum is σ = 388249470086400. Its totient is φ = 26180767641600.

The previous prime is 108551193457313. The next prime is 108551193457409. The reversal of 108551193457320 is 23754391155801.

It is a happy number.

108551193457320 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 5 + 1 + 19 + 34 + 573 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 81301530 + ... + 82625910.

It is an arithmetic number, because the mean of its divisors is an integer number (1011066328350).

Almost surely, 2^{108551193457320} is an apocalyptic number.

108551193457320 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 108551193457320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194124735043200).

108551193457320 is an abundant number, since it is smaller than the sum of its proper divisors (279698276629080).

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

108551193457320 is a wasteful number, since it uses less digits than its factorization.

108551193457320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324961 (or 1324954 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 108551193457320 in words is "one hundred eight trillion, five hundred fifty-one billion, one hundred ninety-three million, four hundred fifty-seven thousand, three hundred twenty".