5251613604500 has 48 divisors (see below), whose sum is σ = 11519609621520. Its totient is φ = 2091472272000.

The previous prime is 5251613604481. The next prime is 5251613604527. The reversal of 5251613604500 is 54063161525.

It can be written as a sum of positive squares in 8 ways, for example, as 40081641616 + 5211531962884 = 200204^2 + 2282878^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22818311 + ... + 23047310.

It is an arithmetic number, because the mean of its divisors is an integer number (239991867115).

Almost surely, 2^{5251613604500} is an apocalyptic number.

5251613604500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5251613604500 is an abundant number, since it is smaller than the sum of its proper divisors (6267996017020).

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

5251613604500 is a wasteful number, since it uses less digits than its factorization.

5251613604500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45865869 (or 45865857 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 5251613604500 in words is "five trillion, two hundred fifty-one billion, six hundred thirteen million, six hundred four thousand, five hundred".