27001089551 has 8 divisors (see below), whose sum is σ = 27155887104. Its totient is φ = 26846432280.

The previous prime is 27001089541. The next prime is 27001089571. The reversal of 27001089551 is 15598010072.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27001089551 is a prime.

It is a super-2 number, since 2×27001089551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27001089541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363920 + ... + 431786.

It is an arithmetic number, because the mean of its divisors is an integer number (3394485888).

Almost surely, 2^27001089551 is an apocalyptic number.

27001089551 is a deficient number, since it is larger than the sum of its proper divisors (154797553).

27001089551 is a wasteful number, since it uses less digits than its factorization.

27001089551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70141.

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 27001089551 in words is "twenty-seven billion, one million, eighty-nine thousand, five hundred fifty-one".