180541378807855 has 64 divisors (see below), whose sum is σ = 238590141753600. Its totient is φ = 131111352552960.

The previous prime is 180541378807849. The next prime is 180541378807931. The reversal of 180541378807855 is 558708873145081.

It is not a de Polignac number, because 180541378807855 - 2⁹ = 180541378807343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3798688102 + ... + 3798735628.

It is an arithmetic number, because the mean of its divisors is an integer number (3727970964900).

Almost surely, 2^{180541378807855} is an apocalyptic number.

180541378807855 is a deficient number, since it is larger than the sum of its proper divisors (58048762945745).

180541378807855 is an equidigital number, since it uses as much as digits as its factorization.

180541378807855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53301 (or 53275 counting only the distinct ones).

The product of its (nonzero) digits is 301056000, while the sum is 70.

The spelling of 180541378807855 in words is "one hundred eighty trillion, five hundred forty-one billion, three hundred seventy-eight million, eight hundred seven thousand, eight hundred fifty-five".