1311101303253 has 16 divisors (see below), whose sum is σ = 1997886410880. Its totient is φ = 749194085376.

The previous prime is 1311101303251. The next prime is 1311101303263. The reversal of 1311101303253 is 3523031011131.

It is a happy number.

It is not a de Polignac number, because 1311101303253 - 2¹ = 1311101303251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311101303251) 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, 3094093 + ... + 3492221.

It is an arithmetic number, because the mean of its divisors is an integer number (124867900680).

Almost surely, 2^{1311101303253} is an apocalyptic number.

It is an amenable number.

1311101303253 is a deficient number, since it is larger than the sum of its proper divisors (686785107627).

1311101303253 is a wasteful number, since it uses less digits than its factorization.

1311101303253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554956.

The product of its (nonzero) digits is 810, while the sum is 24.

Adding to 1311101303253 its reverse (3523031011131), we get a palindrome (4834132314384).

The spelling of 1311101303253 in words is "one trillion, three hundred eleven billion, one hundred one million, three hundred three thousand, two hundred fifty-three".