1271541166752 has 48 divisors (see below), whose sum is σ = 3445466395392. Its totient is φ = 410174568960.

The previous prime is 1271541166703. The next prime is 1271541166837. The reversal of 1271541166752 is 2576611451721.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213629613 + ... + 213635564.

It is an arithmetic number, because the mean of its divisors is an integer number (71780549904).

Almost surely, 2^{1271541166752} is an apocalyptic number.

1271541166752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1271541166752 is an abundant number, since it is smaller than the sum of its proper divisors (2173925228640).

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

1271541166752 is a wasteful number, since it uses less digits than its factorization.

1271541166752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427265221 (or 427265213 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The spelling of 1271541166752 in words is "one trillion, two hundred seventy-one billion, five hundred forty-one million, one hundred sixty-six thousand, seven hundred fifty-two".