11605326413 has 2 divisors, whose sum is σ = 11605326414. Its totient is φ = 11605326412.

The previous prime is 11605326391. The next prime is 11605326443. The reversal of 11605326413 is 31462350611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7659225289 + 3946101124 = 87517^2 + 62818^2 .

It is a cyclic number.

It is not a de Polignac number, because 11605326413 - 2²⁴ = 11588549197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11605326413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11605326443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802663206 + 5802663207.

It is an arithmetic number, because the mean of its divisors is an integer number (5802663207).

Almost surely, 2^11605326413 is an apocalyptic number.

It is an amenable number.

11605326413 is a deficient number, since it is larger than the sum of its proper divisors (1).

11605326413 is an equidigital number, since it uses as much as digits as its factorization.

11605326413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 11605326413 in words is "eleven billion, six hundred five million, three hundred twenty-six thousand, four hundred thirteen".