1323111550652 has 12 divisors (see below), whose sum is σ = 2315811104880. Its totient is φ = 661451234976.

The previous prime is 1323111550639. The next prime is 1323111550669. The reversal of 1323111550652 is 2560551113231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26106608 + ... + 26157239.

It is an arithmetic number, because the mean of its divisors is an integer number (192984258740).

Almost surely, 2^{1323111550652} is an apocalyptic number.

It is an amenable number.

1323111550652 is a deficient number, since it is larger than the sum of its proper divisors (992699554228).

1323111550652 is a wasteful number, since it uses less digits than its factorization.

1323111550652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52270180 (or 52270178 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 1323111550652 its reverse (2560551113231), we get a palindrome (3883662663883).

The spelling of 1323111550652 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, five hundred fifty thousand, six hundred fifty-two".