1271911002084 has 240 divisors, whose sum is σ = 3478982707200. Its totient is φ = 404745465600.

The previous prime is 1271911002067. The next prime is 1271911002091. The reversal of 1271911002084 is 4802001191721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 261653814 + ... + 261658674.

It is an arithmetic number, because the mean of its divisors is an integer number (14495761280).

Almost surely, 2^{1271911002084} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271911002084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739491353600).

1271911002084 is an abundant number, since it is smaller than the sum of its proper divisors (2207071705116).

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

1271911002084 is a wasteful number, since it uses less digits than its factorization.

1271911002084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5245 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 1271911002084 in words is "one trillion, two hundred seventy-one billion, nine hundred eleven million, two thousand, eighty-four".