11321453120253 has 16 divisors (see below), whose sum is σ = 15622865172096. Its totient is φ = 7287633884160.

The previous prime is 11321453120231. The next prime is 11321453120273. The reversal of 11321453120253 is 35202135412311.

It is a happy number.

It is not a de Polignac number, because 11321453120253 - 2²¹ = 11321451023101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321453120213) 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, 474443401 + ... + 474467262.

It is an arithmetic number, because the mean of its divisors is an integer number (976429073256).

Almost surely, 2^{11321453120253} is an apocalyptic number.

It is an amenable number.

11321453120253 is a deficient number, since it is larger than the sum of its proper divisors (4301412051843).

11321453120253 is an equidigital number, since it uses as much as digits as its factorization.

11321453120253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948910804.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 11321453120253 its reverse (35202135412311), we get a palindrome (46523588532564).

The spelling of 11321453120253 in words is "eleven trillion, three hundred twenty-one billion, four hundred fifty-three million, one hundred twenty thousand, two hundred fifty-three".