1521014000550 has 384 divisors, whose sum is σ = 4395704371200. Its totient is φ = 344184192000.

The previous prime is 1521014000521. The next prime is 1521014000581. The reversal of 1521014000550 is 550004101251.

It is a self number, because there is not a number n which added to its sum of digits gives 1521014000550.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 968181265 + ... + 968182835.

It is an arithmetic number, because the mean of its divisors is an integer number (11447146800).

Almost surely, 2^{1521014000550} is an apocalyptic number.

1521014000550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1521014000550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2197852185600).

1521014000550 is an abundant number, since it is smaller than the sum of its proper divisors (2874690370650).

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

1521014000550 is a wasteful number, since it uses less digits than its factorization.

1521014000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 1521014000550 in words is "one trillion, five hundred twenty-one billion, fourteen million, five hundred fifty", and thus it is an aban number.