1173438057313 has 4 divisors (see below), whose sum is σ = 1174853544340. Its totient is φ = 1172022570288.

The previous prime is 1173438057301. The next prime is 1173438057359. The reversal of 1173438057313 is 3137508343711.

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 575766816849 + 597671240464 = 758793^2 + 773092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1173438057313 - 2²¹ = 1173435960161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1173438057713) 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, 707742270 + ... + 707743927.

It is an arithmetic number, because the mean of its divisors is an integer number (293713386085).

Almost surely, 2^{1173438057313} is an apocalyptic number.

It is an amenable number.

1173438057313 is a deficient number, since it is larger than the sum of its proper divisors (1415487027).

1173438057313 is an equidigital number, since it uses as much as digits as its factorization.

1173438057313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415487026.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 1173438057313 in words is "one trillion, one hundred seventy-three billion, four hundred thirty-eight million, fifty-seven thousand, three hundred thirteen".