1271134543608 has 96 divisors (see below), whose sum is σ = 3523493928240. Its totient is φ = 413766581760.

The previous prime is 1271134543603. The next prime is 1271134543643. The reversal of 1271134543608 is 8063454311721.

1271134543608 is a `hidden beast` number, since 1 + 2 + 7 + 1 + 1 + 34 + 5 + 4 + 3 + 608 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271134543603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14796298 + ... + 14881958.

Almost surely, 2^{1271134543608} is an apocalyptic number.

1271134543608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271134543608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761746964120).

1271134543608 is an abundant number, since it is smaller than the sum of its proper divisors (2252359384632).

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

1271134543608 is a wasteful number, since it uses less digits than its factorization.

1271134543608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90509 (or 90502 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 1271134543608 in words is "one trillion, two hundred seventy-one billion, one hundred thirty-four million, five hundred forty-three thousand, six hundred eight".