1338553943025 has 48 divisors (see below), whose sum is σ = 2393720333760. Its totient is φ = 656102649600.

The previous prime is 1338553942991. The next prime is 1338553943033. The reversal of 1338553943025 is 5203493558331.

It is not a de Polignac number, because 1338553943025 - 2¹⁰ = 1338553942001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2774271 + ... + 3220820.

It is an arithmetic number, because the mean of its divisors is an integer number (49869173620).

Almost surely, 2^{1338553943025} is an apocalyptic number.

1338553943025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1338553943025 is a deficient number, since it is larger than the sum of its proper divisors (1055166390735).

1338553943025 is a wasteful number, since it uses less digits than its factorization.

1338553943025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995346 (or 5995341 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 1338553943025 in words is "one trillion, three hundred thirty-eight billion, five hundred fifty-three million, nine hundred forty-three thousand, twenty-five".