5215253811570 has 288 divisors, whose sum is σ = 15503719336560. Its totient is φ = 1213949721600.

The previous prime is 5215253811539. The next prime is 5215253811671. The reversal of 5215253811570 is 751183525125.

5215253811570 is a `hidden beast` number, since 5 + 2 + 1 + 52 + 538 + 11 + 57 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 46592517609 + 5168661293961 = 215853^2 + 2273469^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 57115992 + ... + 57207228.

Almost surely, 2^{5215253811570} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5215253811570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7751859668280).

5215253811570 is an abundant number, since it is smaller than the sum of its proper divisors (10288465524990).

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

5215253811570 is a wasteful number, since it uses less digits than its factorization.

5215253811570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91482 (or 91468 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 45.

The spelling of 5215253811570 in words is "five trillion, two hundred fifteen billion, two hundred fifty-three million, eight hundred eleven thousand, five hundred seventy".