1311424505252 has 48 divisors (see below), whose sum is σ = 2462877410112. Its totient is φ = 608811033600.

The previous prime is 1311424505243. The next prime is 1311424505267. The reversal of 1311424505252 is 2525054241131.

It is an unprimeable number.

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, 3684752 + ... + 4024952.

It is an arithmetic number, because the mean of its divisors is an integer number (51309946044).

Almost surely, 2^{1311424505252} is an apocalyptic number.

It is an amenable number.

1311424505252 is a deficient number, since it is larger than the sum of its proper divisors (1151452904860).

1311424505252 is a wasteful number, since it uses less digits than its factorization.

1311424505252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340988 (or 340986 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 1311424505252 its reverse (2525054241131), we get a palindrome (3836478746383).

The spelling of 1311424505252 in words is "one trillion, three hundred eleven billion, four hundred twenty-four million, five hundred five thousand, two hundred fifty-two".