1375543289952 has 576 divisors, whose sum is σ = 4501511884800. Its totient is φ = 408039690240.

The previous prime is 1375543289947. The next prime is 1375543289957. The reversal of 1375543289952 is 2599823455731.

1375543289952 is a `hidden beast` number, since 1 + 3 + 7 + 5 + 543 + 2 + 89 + 9 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1375543289947) and next prime (1375543289957).

It is a self number, because there is not a number n which added to its sum of digits gives 1375543289952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375543289957) 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 95 ways as a sum of consecutive naturals, for example, 1851336493 + ... + 1851337235.

It is an arithmetic number, because the mean of its divisors is an integer number (7815124800).

Almost surely, 2^{1375543289952} is an apocalyptic number.

1375543289952 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 1375543289952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250755942400).

1375543289952 is an abundant number, since it is smaller than the sum of its proper divisors (3125968594848).

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

1375543289952 is a wasteful number, since it uses less digits than its factorization.

1375543289952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1201 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The spelling of 1375543289952 in words is "one trillion, three hundred seventy-five billion, five hundred forty-three million, two hundred eighty-nine thousand, nine hundred fifty-two".