27261134155 has 8 divisors (see below), whose sum is σ = 32714352000. Its totient is φ = 21808246656.

The previous prime is 27261134149. The next prime is 27261134171. The reversal of 27261134155 is 55143116272.

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 27261134155 - 2¹³ = 27261125963 is a prime.

It is an unprimeable number.

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, 168211 + ... + 287779.

It is an arithmetic number, because the mean of its divisors is an integer number (4089294000).

Almost surely, 2^27261134155 is an apocalyptic number.

27261134155 is a deficient number, since it is larger than the sum of its proper divisors (5453217845).

27261134155 is a wasteful number, since it uses less digits than its factorization.

27261134155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165173.

The product of its digits is 50400, while the sum is 37.

The spelling of 27261134155 in words is "twenty-seven billion, two hundred sixty-one million, one hundred thirty-four thousand, one hundred fifty-five".