27107235145 has 8 divisors (see below), whose sum is σ = 32668291656. Its totient is φ = 21592715136.

The previous prime is 27107235139. The next prime is 27107235227. The reversal of 27107235145 is 54153270172.

It can be written as a sum of positive squares in 4 ways, for example, as 1893376 + 27105341769 = 1376^2 + 164637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27107235145 - 2³ = 27107235137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11632842 + ... + 11635171.

It is an arithmetic number, because the mean of its divisors is an integer number (4083536457).

Almost surely, 2^27107235145 is an apocalyptic number.

It is an amenable number.

27107235145 is a deficient number, since it is larger than the sum of its proper divisors (5561056511).

27107235145 is a wasteful number, since it uses less digits than its factorization.

27107235145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23268251.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 27107235145 in words is "twenty-seven billion, one hundred seven million, two hundred thirty-five thousand, one hundred forty-five".