108556454443 has 2 divisors, whose sum is σ = 108556454444. Its totient is φ = 108556454442.

The previous prime is 108556454371. The next prime is 108556454519. The reversal of 108556454443 is 344454655801.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108556454443 is a prime.

It is not a weakly prime, because it can be changed into another prime (108556454543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54278227221 + 54278227222.

It is an arithmetic number, because the mean of its divisors is an integer number (54278227222).

Almost surely, 2^108556454443 is an apocalyptic number.

108556454443 is a deficient number, since it is larger than the sum of its proper divisors (1).

108556454443 is an equidigital number, since it uses as much as digits as its factorization.

108556454443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608000, while the sum is 49.

The spelling of 108556454443 in words is "one hundred eight billion, five hundred fifty-six million, four hundred fifty-four thousand, four hundred forty-three".