5215204582650 has 72 divisors (see below), whose sum is σ = 14011782948540. Its totient is φ = 1390694757120.

The previous prime is 5215204582607. The next prime is 5215204582697. The reversal of 5215204582650 is 562854025125.

5215204582650 is a `hidden beast` number, since 5 + 2 + 1 + 5 + 2 + 0 + 4 + 582 + 65 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 442609453521 + 4772595129129 = 665289^2 + 2184627^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 5215204582596 and 5215204582605.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38807974 + ... + 38942126.

Almost surely, 2^{5215204582650} is an apocalyptic number.

5215204582650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5215204582650 is an abundant number, since it is smaller than the sum of its proper divisors (8796578365890).

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

5215204582650 is a wasteful number, since it uses less digits than its factorization.

5215204582650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220560 (or 220552 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

The spelling of 5215204582650 in words is "five trillion, two hundred fifteen billion, two hundred four million, five hundred eighty-two thousand, six hundred fifty".