1311252234453 has 24 divisors (see below), whose sum is σ = 2165687754048. Its totient is φ = 748912836672.

The previous prime is 1311252234431. The next prime is 1311252234463. The reversal of 1311252234453 is 3544322521131.

1311252234453 is a `hidden beast` number, since 1 + 3 + 11 + 252 + 2 + 344 + 53 = 666.

It is not a de Polignac number, because 1311252234453 - 2¹⁰ = 1311252233429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311252234463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5069400 + ... + 5321777.

It is an arithmetic number, because the mean of its divisors is an integer number (90236989752).

Almost surely, 2^{1311252234453} is an apocalyptic number.

It is an amenable number.

1311252234453 is a deficient number, since it is larger than the sum of its proper divisors (854435519595).

1311252234453 is a wasteful number, since it uses less digits than its factorization.

1311252234453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393193 (or 10393190 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 1311252234453 its reverse (3544322521131), we get a palindrome (4855574755584).

The spelling of 1311252234453 in words is "one trillion, three hundred eleven billion, two hundred fifty-two million, two hundred thirty-four thousand, four hundred fifty-three".