381103255056 has 40 divisors (see below), whose sum is σ = 990016858080. Its totient is φ = 126324726016.

The previous prime is 381103255031. The next prime is 381103255081. The reversal of 381103255056 is 650552301183.

It is an interprime number because it is at equal distance from previous prime (381103255031) and next prime (381103255081).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22169205 + ... + 22186388.

It is an arithmetic number, because the mean of its divisors is an integer number (24750421452).

Almost surely, 2^381103255056 is an apocalyptic number.

It is an amenable number.

381103255056 is an abundant number, since it is smaller than the sum of its proper divisors (608913603024).

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

381103255056 is a wasteful number, since it uses less digits than its factorization.

381103255056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44355783 (or 44355777 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 381103255056 in words is "three hundred eighty-one billion, one hundred three million, two hundred fifty-five thousand, fifty-six".