252415534505543 has 16 divisors (see below), whose sum is σ = 269823211157760. Its totient is φ = 235849886828640.

The previous prime is 252415534505501. The next prime is 252415534505557. The reversal of 252415534505543 is 345505435514252.

It is not a de Polignac number, because 252415534505543 - 2¹⁰ = 252415534504519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252415534505573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145220180 + ... + 146948057.

It is an arithmetic number, because the mean of its divisors is an integer number (16863950697360).

Almost surely, 2^{252415534505543} is an apocalyptic number.

252415534505543 is a deficient number, since it is larger than the sum of its proper divisors (17407676652217).

252415534505543 is an frugal number, since it uses more digits than its factorization.

252415534505543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292168359 (or 292168297 counting only the distinct ones).

The product of its (nonzero) digits is 36000000, while the sum is 53.

The spelling of 252415534505543 in words is "two hundred fifty-two trillion, four hundred fifteen billion, five hundred thirty-four million, five hundred five thousand, five hundred forty-three".