1304950113505 has 4 divisors (see below), whose sum is σ = 1565940136212. Its totient is φ = 1043960090800.

The previous prime is 1304950113503. The next prime is 1304950113517. The reversal of 1304950113505 is 5053110594031.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 561299141601 + 743650971904 = 749199^2 + 862352^2 .

It is not a de Polignac number, because 1304950113505 - 2¹ = 1304950113503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304950113503) 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, 130495011346 + ... + 130495011355.

It is an arithmetic number, because the mean of its divisors is an integer number (391485034053).

Almost surely, 2^{1304950113505} is an apocalyptic number.

It is an amenable number.

1304950113505 is a deficient number, since it is larger than the sum of its proper divisors (260990022707).

1304950113505 is an equidigital number, since it uses as much as digits as its factorization.

1304950113505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260990022706.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 1304950113505 in words is "one trillion, three hundred four billion, nine hundred fifty million, one hundred thirteen thousand, five hundred five".