27157021752189 has 16 divisors (see below), whose sum is σ = 41382893893760. Its totient is φ = 15518011078080.

The previous prime is 27157021752181. The next prime is 27157021752193. The reversal of 27157021752189 is 98125712075172.

It is not a de Polignac number, because 27157021752189 - 2³ = 27157021752181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27157021752181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10796194 + ... + 13071795.

It is an arithmetic number, because the mean of its divisors is an integer number (2586430868360).

Almost surely, 2^{27157021752189} is an apocalyptic number.

It is an amenable number.

27157021752189 is a deficient number, since it is larger than the sum of its proper divisors (14225872141571).

27157021752189 is a wasteful number, since it uses less digits than its factorization.

27157021752189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23922180.

The product of its (nonzero) digits is 4939200, while the sum is 57.

The spelling of 27157021752189 in words is "twenty-seven trillion, one hundred fifty-seven billion, twenty-one million, seven hundred fifty-two thousand, one hundred eighty-nine".