1553505125200 has 120 divisors (see below), whose sum is σ = 4266213889280. Its totient is φ = 532538841600.

The previous prime is 1553505125189. The next prime is 1553505125233. The reversal of 1553505125200 is 25215053551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17396665 + ... + 17485735.

Almost surely, 2^{1553505125200} is an apocalyptic number.

1553505125200 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 1553505125200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133106944640).

1553505125200 is an abundant number, since it is smaller than the sum of its proper divisors (2712708764080).

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

1553505125200 is a wasteful number, since it uses less digits than its factorization.

1553505125200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95325 (or 95314 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 1553505125200 in words is "one trillion, five hundred fifty-three billion, five hundred five million, one hundred twenty-five thousand, two hundred".