1275193740336 has 80 divisors (see below), whose sum is σ = 3343617423360. Its totient is φ = 418705297920.

The previous prime is 1275193740287. The next prime is 1275193740349. The reversal of 1275193740336 is 6330473915721.

It is a super-2 number, since 2×1275193740336² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3681921 + ... + 4013343.

It is an arithmetic number, because the mean of its divisors is an integer number (41795217792).

Almost surely, 2^{1275193740336} is an apocalyptic number.

1275193740336 is a gapful number since it is divisible by the number (16) 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 1275193740336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671808711680).

1275193740336 is an abundant number, since it is smaller than the sum of its proper divisors (2068423683024).

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

1275193740336 is a wasteful number, since it uses less digits than its factorization.

1275193740336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332634 (or 332628 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 1275193740336 in words is "one trillion, two hundred seventy-five billion, one hundred ninety-three million, seven hundred forty thousand, three hundred thirty-six".