1550343103204 has 12 divisors (see below), whose sum is σ = 3100686206464. Its totient is φ = 664432758504.

The previous prime is 1550343103157. The next prime is 1550343103259. The reversal of 1550343103204 is 4023013430551.

1550343103204 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27684698244 + ... + 27684698299.

Almost surely, 2^{1550343103204} is an apocalyptic number.

1550343103204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1550343103204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1550343103204 is a wasteful number, since it uses less digits than its factorization.

1550343103204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55369396554 (or 55369396552 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 1550343103204 its reverse (4023013430551), we get a palindrome (5573356533755).

The spelling of 1550343103204 in words is "one trillion, five hundred fifty billion, three hundred forty-three million, one hundred three thousand, two hundred four".