1275718628352 has 264 divisors, whose sum is σ = 4188077892864. Its totient is φ = 343049699328.

The previous prime is 1275718628351. The next prime is 1275718628407. The reversal of 1275718628352 is 2538268175721.

It is a junction number, because it is equal to n+sod(n) for n = 1275718628292 and 1275718628301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275718628351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2309713 + ... + 2808239.

Almost surely, 2^{1275718628352} is an apocalyptic number.

1275718628352 is a gapful number since it is divisible by the number (12) 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 1275718628352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094038946432).

1275718628352 is an abundant number, since it is smaller than the sum of its proper divisors (2912359264512).

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

1275718628352 is a wasteful number, since it uses less digits than its factorization.

1275718628352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498581 (or 498556 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 57.

The spelling of 1275718628352 in words is "one trillion, two hundred seventy-five billion, seven hundred eighteen million, six hundred twenty-eight thousand, three hundred fifty-two".