252010042343505 has 12 divisors (see below), whose sum is σ = 436817406728820. Its totient is φ = 134405355916512.

The previous prime is 252010042343347. The next prime is 252010042343639. The reversal of 252010042343505 is 505343240010252.

252010042343505 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 100 + 4 + 2 + 3 + 43 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 178951192125696 + 73058850217809 = 13377264^2 + 8547447^2 .

It is not a de Polignac number, because 252010042343505 - 2¹⁵ = 252010042310737 is a prime.

It is a super-2 number, since 2×252010042343505² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252010042343505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2800111581550 + ... + 2800111581639.

It is an arithmetic number, because the mean of its divisors is an integer number (36401450560735).

Almost surely, 2^{252010042343505} is an apocalyptic number.

It is an amenable number.

252010042343505 is a deficient number, since it is larger than the sum of its proper divisors (184807364385315).

252010042343505 is a wasteful number, since it uses less digits than its factorization.

252010042343505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600223163200 (or 5600223163197 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 252010042343505 its reverse (505343240010252), we get a palindrome (757353282353757).

The spelling of 252010042343505 in words is "two hundred fifty-two trillion, ten billion, forty-two million, three hundred forty-three thousand, five hundred five".