1550404130203 has 32 divisors (see below), whose sum is σ = 1610835105600. Its totient is φ = 1491243264000.

The previous prime is 1550404130183. The next prime is 1550404130257. The reversal of 1550404130203 is 3020314040551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1550404130203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1550404130263) 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 31 ways as a sum of consecutive naturals, for example, 542667151 + ... + 542670007.

It is an arithmetic number, because the mean of its divisors is an integer number (50338597050).

Almost surely, 2^{1550404130203} is an apocalyptic number.

1550404130203 is a deficient number, since it is larger than the sum of its proper divisors (60430975397).

1550404130203 is a wasteful number, since it uses less digits than its factorization.

1550404130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1550404130203 its reverse (3020314040551), we get a palindrome (4570718170754).

The spelling of 1550404130203 in words is "one trillion, five hundred fifty billion, four hundred four million, one hundred thirty thousand, two hundred three".