1253304703265 has 32 divisors (see below), whose sum is σ = 1586408985600. Its totient is φ = 947902253760.

The previous prime is 1253304703117. The next prime is 1253304703291. The reversal of 1253304703265 is 5623074033521.

It is not a de Polignac number, because 1253304703265 - 2²⁰ = 1253303654689 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 31 ways as a sum of consecutive naturals, for example, 168022106 + ... + 168029564.

It is an arithmetic number, because the mean of its divisors is an integer number (49575280800).

Almost surely, 2^{1253304703265} is an apocalyptic number.

It is an amenable number.

1253304703265 is a deficient number, since it is larger than the sum of its proper divisors (333104282335).

1253304703265 is a wasteful number, since it uses less digits than its factorization.

1253304703265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917.

The product of its (nonzero) digits is 453600, while the sum is 41.

Adding to 1253304703265 its reverse (5623074033521), we get a palindrome (6876378736786).

The spelling of 1253304703265 in words is "one trillion, two hundred fifty-three billion, three hundred four million, seven hundred three thousand, two hundred sixty-five".