1311253134532 has 24 divisors (see below), whose sum is σ = 2521310813280. Its totient is φ = 591736205760.

The previous prime is 1311253134509. The next prime is 1311253134551. The reversal of 1311253134532 is 2354313521131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107192473 + ... + 107204704.

It is an arithmetic number, because the mean of its divisors is an integer number (105054617220).

Almost surely, 2^{1311253134532} is an apocalyptic number.

It is an amenable number.

1311253134532 is a deficient number, since it is larger than the sum of its proper divisors (1210057678748).

1311253134532 is a wasteful number, since it uses less digits than its factorization.

1311253134532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214397331 (or 214397329 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

Adding to 1311253134532 its reverse (2354313521131), we get a palindrome (3665566655663).

The spelling of 1311253134532 in words is "one trillion, three hundred eleven billion, two hundred fifty-three million, one hundred thirty-four thousand, five hundred thirty-two".