1335798559872 has 128 divisors (see below), whose sum is σ = 4505669827200. Its totient is φ = 381656724480.

The previous prime is 1335798559861. The next prime is 1335798559969. The reversal of 1335798559872 is 2789558975331.

1335798559872 is a `hidden beast` number, since 1 + 335 + 7 + 98 + 55 + 98 + 72 = 666.

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

It is a super-2 number, since 2×1335798559872² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1335798559872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27584079 + ... + 27632462.

It is an arithmetic number, because the mean of its divisors is an integer number (35200545525).

Almost surely, 2^{1335798559872} is an apocalyptic number.

1335798559872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1335798559872 is an abundant number, since it is smaller than the sum of its proper divisors (3169871267328).

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

1335798559872 is an equidigital number, since it uses as much as digits as its factorization.

1335798559872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55216571 (or 55216553 counting only the distinct ones).

The product of its digits is 571536000, while the sum is 72.

The spelling of 1335798559872 in words is "one trillion, three hundred thirty-five billion, seven hundred ninety-eight million, five hundred fifty-nine thousand, eight hundred seventy-two".