27271513134620 has 96 divisors (see below), whose sum is σ = 58619848089600. Its totient is φ = 10653997883904.

The previous prime is 27271513134601. The next prime is 27271513134623. The reversal of 27271513134620 is 2643131517272.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27271513134623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392705861 + ... + 392775299.

It is an arithmetic number, because the mean of its divisors is an integer number (610623417600).

Almost surely, 2^{27271513134620} is an apocalyptic number.

27271513134620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27271513134620 is an abundant number, since it is smaller than the sum of its proper divisors (31348334954980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27271513134620 is a wasteful number, since it uses less digits than its factorization.

27271513134620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71667 (or 71665 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 27271513134620 in words is "twenty-seven trillion, two hundred seventy-one billion, five hundred thirteen million, one hundred thirty-four thousand, six hundred twenty".