1553381800328 has 16 divisors (see below), whose sum is σ = 2921233583580. Its totient is φ = 774386178048.

The previous prime is 1553381800301. The next prime is 1553381800349. The reversal of 1553381800328 is 8230081833551.

It can be written as a sum of positive squares in 2 ways, for example, as 1213914761284 + 339467039044 = 1101778^2 + 582638^2 .

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 3 ways as a sum of consecutive naturals, for example, 288087401 + ... + 288092792.

Almost surely, 2^{1553381800328} is an apocalyptic number.

It is an amenable number.

1553381800328 is a deficient number, since it is larger than the sum of its proper divisors (1367851783252).

1553381800328 is a wasteful number, since it uses less digits than its factorization.

1553381800328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576180536 (or 576180532 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 1553381800328 in words is "one trillion, five hundred fifty-three billion, three hundred eighty-one million, eight hundred thousand, three hundred twenty-eight".