1550343103203 has 8 divisors (see below), whose sum is σ = 2138404280400. Its totient is φ = 997921997408.

The previous prime is 1550343103157. The next prime is 1550343103259. The reversal of 1550343103203 is 3023013430551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1550343103203 - 2⁹ = 1550343102691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1550343108203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8910017748 + ... + 8910017921.

It is an arithmetic number, because the mean of its divisors is an integer number (267300535050).

Almost surely, 2^{1550343103203} is an apocalyptic number.

1550343103203 is a deficient number, since it is larger than the sum of its proper divisors (588061177197).

1550343103203 is a wasteful number, since it uses less digits than its factorization.

1550343103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17820035701.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 1550343103203 its reverse (3023013430551), we get a palindrome (4573356533754).

The spelling of 1550343103203 in words is "one trillion, five hundred fifty billion, three hundred forty-three million, one hundred three thousand, two hundred three".