27120341545 has 16 divisors (see below), whose sum is σ = 36368922240. Its totient is φ = 19242812800.

The previous prime is 27120341497. The next prime is 27120341609. The reversal of 27120341545 is 54514302172.

It is a de Polignac number, because none of the positive numbers 2^k-27120341545 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27120341545.

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 15 ways as a sum of consecutive naturals, for example, 6011125 + ... + 6015634.

It is an arithmetic number, because the mean of its divisors is an integer number (2273057640).

Almost surely, 2^27120341545 is an apocalyptic number.

It is an amenable number.

27120341545 is a deficient number, since it is larger than the sum of its proper divisors (9248580695).

27120341545 is a wasteful number, since it uses less digits than its factorization.

27120341545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026816.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 27120341545 in words is "twenty-seven billion, one hundred twenty million, three hundred forty-one thousand, five hundred forty-five".