1321514053532 has 36 divisors (see below), whose sum is σ = 2496963793464. Its totient is φ = 611694032640.

The previous prime is 1321514053513. The next prime is 1321514053537. The reversal of 1321514053532 is 2353504151231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1321514053492 and 1321514053501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321514053537) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9299798 + ... + 9440829.

It is an arithmetic number, because the mean of its divisors is an integer number (69360105374).

Almost surely, 2^{1321514053532} is an apocalyptic number.

It is an amenable number.

1321514053532 is a deficient number, since it is larger than the sum of its proper divisors (1175449739932).

1321514053532 is a wasteful number, since it uses less digits than its factorization.

1321514053532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18740726 (or 18740707 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 1321514053532 in words is "one trillion, three hundred twenty-one billion, five hundred fourteen million, fifty-three thousand, five hundred thirty-two".