1355231334044 has 48 divisors (see below), whose sum is σ = 2738787717120. Its totient is φ = 574745448960.

The previous prime is 1355231334013. The next prime is 1355231334053. The reversal of 1355231334044 is 4404331325531.

It is a junction number, because it is equal to n+sod(n) for n = 1355231333989 and 1355231334007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21998717 + ... + 22060235.

It is an arithmetic number, because the mean of its divisors is an integer number (57058077440).

Almost surely, 2^{1355231334044} is an apocalyptic number.

1355231334044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1355231334044 is an abundant number, since it is smaller than the sum of its proper divisors (1383556383076).

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

1355231334044 is a wasteful number, since it uses less digits than its factorization.

1355231334044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69738 (or 69736 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 1355231334044 its reverse (4404331325531), we get a palindrome (5759562659575).

The spelling of 1355231334044 in words is "one trillion, three hundred fifty-five billion, two hundred thirty-one million, three hundred thirty-four thousand, forty-four".