5251621200200 has 48 divisors (see below), whose sum is σ = 12852651894000. Its totient is φ = 1990088032320.

The previous prime is 5251621200197. The next prime is 5251621200209. The reversal of 5251621200200 is 20021261525.

It is a self number, because there is not a number n which added to its sum of digits gives 5251621200200.

It is not an unprimeable number, because it can be changed into a prime (5251621200209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690998990 + ... + 691006589.

It is an arithmetic number, because the mean of its divisors is an integer number (267763581125).

Almost surely, 2^{5251621200200} is an apocalyptic number.

5251621200200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5251621200200 is an abundant number, since it is smaller than the sum of its proper divisors (7601030693800).

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

5251621200200 is a wasteful number, since it uses less digits than its factorization.

5251621200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382005614 (or 1382005605 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 5251621200200 its reverse (20021261525), we get a palindrome (5271642461725).

The spelling of 5251621200200 in words is "five trillion, two hundred fifty-one billion, six hundred twenty-one million, two hundred thousand, two hundred".