27555125506 has 8 divisors (see below), whose sum is σ = 41343279120. Its totient is φ = 13774032468.

The previous prime is 27555125491. The next prime is 27555125513. The reversal of 27555125506 is 60552155572.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755376 + ... + 1771003.

It is an arithmetic number, because the mean of its divisors is an integer number (5167909890).

Almost surely, 2^27555125506 is an apocalyptic number.

27555125506 is a deficient number, since it is larger than the sum of its proper divisors (13788153614).

27555125506 is a wasteful number, since it uses less digits than its factorization.

27555125506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530288.

The product of its (nonzero) digits is 525000, while the sum is 43.

The spelling of 27555125506 in words is "twenty-seven billion, five hundred fifty-five million, one hundred twenty-five thousand, five hundred six".