205113130453 has 16 divisors (see below), whose sum is σ = 255821746176. Its totient is φ = 159768235440.

The previous prime is 205113130441. The next prime is 205113130457. The reversal of 205113130453 is 354031311502.

It is a happy number.

It is not a de Polignac number, because 205113130453 - 2⁹ = 205113129941 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 (205113130457) 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, 295101 + ... + 705202.

It is an arithmetic number, because the mean of its divisors is an integer number (15988859136).

Almost surely, 2^205113130453 is an apocalyptic number.

It is an amenable number.

205113130453 is a deficient number, since it is larger than the sum of its proper divisors (50708615723).

205113130453 is a wasteful number, since it uses less digits than its factorization.

205113130453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002984.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 205113130453 its reverse (354031311502), we get a palindrome (559144441955).

The spelling of 205113130453 in words is "two hundred five billion, one hundred thirteen million, one hundred thirty thousand, four hundred fifty-three".