180381378864075 has 24 divisors (see below), whose sum is σ = 299043163726848. Its totient is φ = 95941267435680.

The previous prime is 180381378864019. The next prime is 180381378864139. The reversal of 180381378864075 is 570468873183081.

It is not a de Polignac number, because 180381378864075 - 2¹³ = 180381378855883 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3276655107 + ... + 3276710156.

It is an arithmetic number, because the mean of its divisors is an integer number (12460131821952).

Almost surely, 2^{180381378864075} is an apocalyptic number.

180381378864075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

180381378864075 is a deficient number, since it is larger than the sum of its proper divisors (118661784862773).

180381378864075 is a wasteful number, since it uses less digits than its factorization.

180381378864075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553365643 (or 6553365638 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 69.

The spelling of 180381378864075 in words is "one hundred eighty trillion, three hundred eighty-one billion, three hundred seventy-eight million, eight hundred sixty-four thousand, seventy-five".