1275257741472 has 576 divisors, whose sum is σ = 4326070799232. Its totient is φ = 351267840000.

The previous prime is 1275257741431. The next prime is 1275257741509. The reversal of 1275257741472 is 2741477525721.

1275257741472 is a `hidden beast` number, since 1 + 2 + 7 + 52 + 57 + 74 + 1 + 472 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 877671498 + ... + 877672950.

It is an arithmetic number, because the mean of its divisors is an integer number (7510539582).

Almost surely, 2^{1275257741472} is an apocalyptic number.

1275257741472 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 1275257741472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2163035399616).

1275257741472 is an abundant number, since it is smaller than the sum of its proper divisors (3050813057760).

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

1275257741472 is a wasteful number, since it uses less digits than its factorization.

1275257741472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1794 counting only the distinct ones).

The product of its digits is 7683200, while the sum is 54.

The spelling of 1275257741472 in words is "one trillion, two hundred seventy-five billion, two hundred fifty-seven million, seven hundred forty-one thousand, four hundred seventy-two".