1356203369856 has 128 divisors (see below), whose sum is σ = 3725636659200. Its totient is φ = 436848242688.

The previous prime is 1356203369827. The next prime is 1356203369863. The reversal of 1356203369856 is 6589633026531.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1356203369796 and 1356203369805.

It is a congruent number.

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, 950196 + ... + 1901388.

It is an arithmetic number, because the mean of its divisors is an integer number (29106536400).

Almost surely, 2^{1356203369856} is an apocalyptic number.

1356203369856 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 1356203369856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862818329600).

1356203369856 is an abundant number, since it is smaller than the sum of its proper divisors (2369433289344).

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

1356203369856 is an equidigital number, since it uses as much as digits as its factorization.

1356203369856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951336 (or 951324 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 57.

The spelling of 1356203369856 in words is "one trillion, three hundred fifty-six billion, two hundred three million, three hundred sixty-nine thousand, eight hundred fifty-six".