1271250814848 has 64 divisors (see below), whose sum is σ = 3859154267520. Its totient is φ = 363214517760.

The previous prime is 1271250814777. The next prime is 1271250814861. The reversal of 1271250814848 is 8484180521721.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1271250814848.

It is a congruent number.

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, 236465098 + ... + 236470473.

It is an arithmetic number, because the mean of its divisors is an integer number (60299285430).

Almost surely, 2^{1271250814848} is an apocalyptic number.

It is an amenable number.

1271250814848 is an abundant number, since it is smaller than the sum of its proper divisors (2587903452672).

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

1271250814848 is an equidigital number, since it uses as much as digits as its factorization.

1271250814848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472935595 (or 472935583 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 51.

The spelling of 1271250814848 in words is "one trillion, two hundred seventy-one billion, two hundred fifty million, eight hundred fourteen thousand, eight hundred forty-eight".