27271100551 has 16 divisors (see below), whose sum is σ = 28701796608. Its totient is φ = 25875532800.

The previous prime is 27271100531. The next prime is 27271100561. The reversal of 27271100551 is 15500117272.

It is not a de Polignac number, because 27271100551 - 2⁹ = 27271100039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27271100531) 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, 2783281 + ... + 2793061.

It is an arithmetic number, because the mean of its divisors is an integer number (1793862288).

Almost surely, 2^27271100551 is an apocalyptic number.

27271100551 is a deficient number, since it is larger than the sum of its proper divisors (1430696057).

27271100551 is a wasteful number, since it uses less digits than its factorization.

27271100551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562.

The product of its (nonzero) digits is 4900, while the sum is 31.

The spelling of 27271100551 in words is "twenty-seven billion, two hundred seventy-one million, one hundred thousand, five hundred fifty-one".