5253421515264 has 200 divisors, whose sum is σ = 16886241672300. Its totient is φ = 1616437223424.

The previous prime is 5253421515263. The next prime is 5253421515281. The reversal of 5253421515264 is 4625151243525.

5253421515264 is a `hidden beast` number, since 5 + 2 + 53 + 4 + 21 + 51 + 526 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4793997830400 + 459423684864 = 2189520^2 + 677808^2 .

It is not an unprimeable number, because it can be changed into a prime (5253421515263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4332939 + ... + 5411210.

Almost surely, 2^{5253421515264} is an apocalyptic number.

5253421515264 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5253421515264 is an abundant number, since it is smaller than the sum of its proper divisors (11632820157036).

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

5253421515264 is an equidigital number, since it uses as much as digits as its factorization.

5253421515264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744192 (or 9744167 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

Adding to 5253421515264 its reverse (4625151243525), we get a palindrome (9878572758789).

The spelling of 5253421515264 in words is "five trillion, two hundred fifty-three billion, four hundred twenty-one million, five hundred fifteen thousand, two hundred sixty-four".