253542552505 has 16 divisors (see below), whose sum is σ = 332649504000. Its totient is φ = 183983887360.

The previous prime is 253542552499. The next prime is 253542552547. The reversal of 253542552505 is 505255245352.

It is not a de Polignac number, because 253542552505 - 2¹⁹ = 253542028217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5108785 + ... + 5158174.

It is an arithmetic number, because the mean of its divisors is an integer number (20790594000).

Almost surely, 2^253542552505 is an apocalyptic number.

It is an amenable number.

253542552505 is a deficient number, since it is larger than the sum of its proper divisors (79106951495).

253542552505 is a wasteful number, since it uses less digits than its factorization.

253542552505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267424.

The product of its (nonzero) digits is 1500000, while the sum is 43.

Adding to 253542552505 its reverse (505255245352), we get a palindrome (758797797857).

The spelling of 253542552505 in words is "two hundred fifty-three billion, five hundred forty-two million, five hundred fifty-two thousand, five hundred five".