1275444523871 has 24 divisors (see below), whose sum is σ = 1571063747616. Its totient is φ = 1028859256320.

The previous prime is 1275444523841. The next prime is 1275444523931. The reversal of 1275444523871 is 1783254445721.

It is not a de Polignac number, because 1275444523871 - 2⁶ = 1275444523807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275444523841) 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, 14464406 + ... + 14552316.

It is an arithmetic number, because the mean of its divisors is an integer number (65460989484).

Almost surely, 2^{1275444523871} is an apocalyptic number.

1275444523871 is a deficient number, since it is larger than the sum of its proper divisors (295619223745).

1275444523871 is a wasteful number, since it uses less digits than its factorization.

1275444523871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105359 (or 105352 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 53.

The spelling of 1275444523871 in words is "one trillion, two hundred seventy-five billion, four hundred forty-four million, five hundred twenty-three thousand, eight hundred seventy-one".