1550455525200 has 60 divisors (see below), whose sum is σ = 4966625869568. Its totient is φ = 413454806400.

The previous prime is 1550455525141. The next prime is 1550455525243. The reversal of 1550455525200 is 25255540551.

It is a tau number, because it is divible by the number of its divisors (60).

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 11 ways as a sum of consecutive naturals, for example, 646021936 + ... + 646024335.

Almost surely, 2^{1550455525200} is an apocalyptic number.

1550455525200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550455525200 is an abundant number, since it is smaller than the sum of its proper divisors (3416170344368).

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

1550455525200 is a wasteful number, since it uses less digits than its factorization.

1550455525200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292046292 (or 1292046281 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 39.

The spelling of 1550455525200 in words is "one trillion, five hundred fifty billion, four hundred fifty-five million, five hundred twenty-five thousand, two hundred".