381527545725184 has 72 divisors (see below), whose sum is σ = 762286134523032. Its totient is φ = 190583108812800.

The previous prime is 381527545725121. The next prime is 381527545725203. The reversal of 381527545725184 is 481527545725183.

It can be written as a sum of positive squares in 4 ways, for example, as 97445959446784 + 284081586278400 = 9871472^2 + 16854720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023781522 + ... + 3023907694.

It is an arithmetic number, because the mean of its divisors is an integer number (10587307423931).

Almost surely, 2^{381527545725184} is an apocalyptic number.

It is an amenable number.

381527545725184 is a deficient number, since it is larger than the sum of its proper divisors (380758588797848).

381527545725184 is a wasteful number, since it uses less digits than its factorization.

381527545725184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137283 (or 137269 counting only the distinct ones).

The product of its digits is 376320000, while the sum is 67.

Subtracting 381527545725184 from its reverse (481527545725183), we obtain a palindrome (99999999999999).

The spelling of 381527545725184 in words is "three hundred eighty-one trillion, five hundred twenty-seven billion, five hundred forty-five million, seven hundred twenty-five thousand, one hundred eighty-four".