108556454378 has 8 divisors (see below), whose sum is σ = 162836960580. Its totient is φ = 54277467520.

The previous prime is 108556454371. The next prime is 108556454443. The reversal of 108556454378 is 873454655801.

It can be written as a sum of positive squares in 2 ways, for example, as 89056286929 + 19500167449 = 298423^2 + 139643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108556454371) by changing a digit.

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, 180233 + ... + 499596.

Almost surely, 2^108556454378 is an apocalyptic number.

108556454378 is a deficient number, since it is larger than the sum of its proper divisors (54280506202).

108556454378 is an equidigital number, since it uses as much as digits as its factorization.

108556454378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759672.

The product of its (nonzero) digits is 16128000, while the sum is 56.

The spelling of 108556454378 in words is "one hundred eight billion, five hundred fifty-six million, four hundred fifty-four thousand, three hundred seventy-eight".