5165628028452 has 18 divisors (see below), whose sum is σ = 13057559738678. Its totient is φ = 1721876009472.

The previous prime is 5165628028357. The next prime is 5165628028459. The reversal of 5165628028452 is 2548208265615.

5165628028452 is a `hidden beast` number, since 5 + 1 + 6 + 5 + 628 + 0 + 2 + 8 + 4 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2876870545956 + 2288757482496 = 1696134^2 + 1512864^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (5165628028459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71744833693 + ... + 71744833764.

Almost surely, 2^{5165628028452} is an apocalyptic number.

It is an amenable number.

5165628028452 is an abundant number, since it is smaller than the sum of its proper divisors (7891931710226).

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

5165628028452 is a wasteful number, since it uses less digits than its factorization.

5165628028452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143489667467 (or 143489667462 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 5165628028452 in words is "five trillion, one hundred sixty-five billion, six hundred twenty-eight million, twenty-eight thousand, four hundred fifty-two".