27450027551 has 16 divisors (see below), whose sum is σ = 29532882528. Its totient is φ = 25422336000.

The previous prime is 27450027497. The next prime is 27450027571. The reversal of 27450027551 is 15572005472.

It is a cyclic number.

It is not a de Polignac number, because 27450027551 - 2¹⁸ = 27449765407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27450027571) by changing a digit.

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, 230831 + ... + 328911.

It is an arithmetic number, because the mean of its divisors is an integer number (1845805158).

Almost surely, 2^27450027551 is an apocalyptic number.

27450027551 is a deficient number, since it is larger than the sum of its proper divisors (2082854977).

27450027551 is a wasteful number, since it uses less digits than its factorization.

27450027551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98362.

The product of its (nonzero) digits is 98000, while the sum is 38.

The spelling of 27450027551 in words is "twenty-seven billion, four hundred fifty million, twenty-seven thousand, five hundred fifty-one".