1375797543012 has 168 divisors, whose sum is σ = 3845630821536. Its totient is φ = 428972246784.

The previous prime is 1375797542983. The next prime is 1375797543137. The reversal of 1375797543012 is 2103457975731.

1375797543012 is a `hidden beast` number, since 1 + 3 + 7 + 5 + 7 + 97 + 543 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1375797543012.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 7995103 + ... + 8165369.

It is an arithmetic number, because the mean of its divisors is an integer number (22890659652).

Almost surely, 2^{1375797543012} is an apocalyptic number.

1375797543012 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 1375797543012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1922815410768).

1375797543012 is an abundant number, since it is smaller than the sum of its proper divisors (2469833278524).

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

1375797543012 is a wasteful number, since it uses less digits than its factorization.

1375797543012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170469 (or 170452 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 54.

The spelling of 1375797543012 in words is "one trillion, three hundred seventy-five billion, seven hundred ninety-seven million, five hundred forty-three thousand, twelve".