551225615503200 has 432 divisors, whose sum is σ = 1972339705179648. Its totient is φ = 133619663232000.

The previous prime is 551225615503163. The next prime is 551225615503219. The reversal of 551225615503200 is 2305516522155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3946756569 + ... + 3946896231.

Almost surely, 2^{551225615503200} is an apocalyptic number.

551225615503200 is a gapful number since it is divisible by the number (50) 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 551225615503200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986169852589824).

551225615503200 is an abundant number, since it is smaller than the sum of its proper divisors (1421114089676448).

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

551225615503200 is a wasteful number, since it uses less digits than its factorization.

551225615503200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153299 (or 153275 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 551225615503200 in words is "five hundred fifty-one trillion, two hundred twenty-five billion, six hundred fifteen million, five hundred three thousand, two hundred".