381055085535 has 32 divisors (see below), whose sum is σ = 628171485120. Its totient is φ = 197154434048.

The previous prime is 381055085533. The next prime is 381055085651. The reversal of 381055085535 is 535580550183.

It is a cyclic number.

It is not a de Polignac number, because 381055085535 - 2¹ = 381055085533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381055085533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2622024 + ... + 2763533.

It is an arithmetic number, because the mean of its divisors is an integer number (19630358910).

Almost surely, 2^381055085535 is an apocalyptic number.

381055085535 is a deficient number, since it is larger than the sum of its proper divisors (247116399585).

381055085535 is a wasteful number, since it uses less digits than its factorization.

381055085535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385707.

The product of its (nonzero) digits is 1800000, while the sum is 48.

The spelling of 381055085535 in words is "three hundred eighty-one billion, fifty-five million, eighty-five thousand, five hundred thirty-five".