1550422605500 has 192 divisors, whose sum is σ = 3631653881856. Its totient is φ = 576797760000.

The previous prime is 1550422605449. The next prime is 1550422605521. The reversal of 1550422605500 is 55062240551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144745145 + ... + 144755855.

It is an arithmetic number, because the mean of its divisors is an integer number (18914863968).

Almost surely, 2^{1550422605500} is an apocalyptic number.

1550422605500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550422605500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815826940928).

1550422605500 is an abundant number, since it is smaller than the sum of its proper divisors (2081231276356).

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

1550422605500 is a wasteful number, since it uses less digits than its factorization.

1550422605500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101 (or 11089 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 1550422605500 in words is "one trillion, five hundred fifty billion, four hundred twenty-two million, six hundred five thousand, five hundred".