27155018827384 has 16 divisors (see below), whose sum is σ = 58189326058800. Its totient is φ = 11637865211712.

The previous prime is 27155018827333. The next prime is 27155018827393. The reversal of 27155018827384 is 48372881055172.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 242455525189 + ... + 242455525300.

It is an arithmetic number, because the mean of its divisors is an integer number (3636832878675).

Almost surely, 2^{27155018827384} is an apocalyptic number.

It is an amenable number.

27155018827384 is an abundant number, since it is smaller than the sum of its proper divisors (31034307231416).

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

27155018827384 is a wasteful number, since it uses less digits than its factorization.

27155018827384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484911050502 (or 484911050498 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 61.

The spelling of 27155018827384 in words is "twenty-seven trillion, one hundred fifty-five billion, eighteen million, eight hundred twenty-seven thousand, three hundred eighty-four".