1320533968776 has 32 divisors (see below), whose sum is σ = 3601456279200. Its totient is φ = 400161808640.

The previous prime is 1320533968687. The next prime is 1320533968799. The reversal of 1320533968776 is 6778693350231.

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, 2501011041 + ... + 2501011568.

It is an arithmetic number, because the mean of its divisors is an integer number (112545508725).

Almost surely, 2^{1320533968776} is an apocalyptic number.

It is an amenable number.

1320533968776 is an abundant number, since it is smaller than the sum of its proper divisors (2280922310424).

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

1320533968776 is a wasteful number, since it uses less digits than its factorization.

1320533968776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002022629 (or 5002022625 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 1320533968776 in words is "one trillion, three hundred twenty billion, five hundred thirty-three million, nine hundred sixty-eight thousand, seven hundred seventy-six".