1322611262513 has 8 divisors (see below), whose sum is σ = 1323286127016. Its totient is φ = 1321936560000.

The previous prime is 1322611262491. The next prime is 1322611262519. The reversal of 1322611262513 is 3152621162231.

It can be written as a sum of positive squares in 4 ways, for example, as 152043065329 + 1170568197184 = 389927^2 + 1081928^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1322611262513 - 2⁸ = 1322611262257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322611262519) 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 7 ways as a sum of consecutive naturals, for example, 18369203 + ... + 18441063.

It is an arithmetic number, because the mean of its divisors is an integer number (165410765877).

Almost surely, 2^{1322611262513} is an apocalyptic number.

It is an amenable number.

1322611262513 is a deficient number, since it is larger than the sum of its proper divisors (674864503).

1322611262513 is an equidigital number, since it uses as much as digits as its factorization.

1322611262513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80995.

The product of its digits is 25920, while the sum is 35.

The spelling of 1322611262513 in words is "one trillion, three hundred twenty-two billion, six hundred eleven million, two hundred sixty-two thousand, five hundred thirteen".