1320035311499 has 4 divisors (see below), whose sum is σ = 1325700699336. Its totient is φ = 1314369923664.

The previous prime is 1320035311489. The next prime is 1320035311579. The reversal of 1320035311499 is 9941135300231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320035311499 - 2³² = 1315740344203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320035311489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2832693569 + ... + 2832694034.

It is an arithmetic number, because the mean of its divisors is an integer number (331425174834).

Almost surely, 2^{1320035311499} is an apocalyptic number.

1320035311499 is a deficient number, since it is larger than the sum of its proper divisors (5665387837).

1320035311499 is an equidigital number, since it uses as much as digits as its factorization.

1320035311499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665387836.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 1320035311499 in words is "one trillion, three hundred twenty billion, thirty-five million, three hundred eleven thousand, four hundred ninety-nine".