1305424513356 has 24 divisors (see below), whose sum is σ = 3061938130944. Its totient is φ = 432863275920.

The previous prime is 1305424513343. The next prime is 1305424513361. The reversal of 1305424513356 is 6533154245031.

It is a happy number.

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, 284776180 + ... + 284780763.

It is an arithmetic number, because the mean of its divisors is an integer number (127580755456).

Almost surely, 2^{1305424513356} is an apocalyptic number.

It is an amenable number.

1305424513356 is an abundant number, since it is smaller than the sum of its proper divisors (1756513617588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1305424513356 is a wasteful number, since it uses less digits than its factorization.

1305424513356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569557141 (or 569557139 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 1305424513356 its reverse (6533154245031), we get a palindrome (7838578758387).

The spelling of 1305424513356 in words is "one trillion, three hundred five billion, four hundred twenty-four million, five hundred thirteen thousand, three hundred fifty-six".