11321431231253 has 16 divisors (see below), whose sum is σ = 13300918267392. Its totient is φ = 9500347560000.

The previous prime is 11321431231241. The next prime is 11321431231267. The reversal of 11321431231253 is 35213213412311.

It is a happy number.

It is not a de Polignac number, because 11321431231253 - 2¹⁸ = 11321430969109 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 (11321431231213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8670908 + ... + 9890778.

It is an arithmetic number, because the mean of its divisors is an integer number (831307391712).

Almost surely, 2^{11321431231253} is an apocalyptic number.

11321431231253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11321431231253 is a deficient number, since it is larger than the sum of its proper divisors (1979487036139).

11321431231253 is a wasteful number, since it uses less digits than its factorization.

11321431231253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284796.

The product of its digits is 12960, while the sum is 32.

Adding to 11321431231253 its reverse (35213213412311), we get a palindrome (46534644643564).

The spelling of 11321431231253 in words is "eleven trillion, three hundred twenty-one billion, four hundred thirty-one million, two hundred thirty-one thousand, two hundred fifty-three".