11555023315313 has 4 divisors (see below), whose sum is σ = 11561232357108. Its totient is φ = 11548814273520.

The previous prime is 11555023315289. The next prime is 11555023315351. The reversal of 11555023315313 is 31351332055511.

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 352232754064 + 11202790561249 = 593492^2 + 3347057^2 .

It is a cyclic number.

It is not a de Polignac number, because 11555023315313 - 2³² = 11550728348017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11555023335313) 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, 3104518106 + ... + 3104521827.

It is an arithmetic number, because the mean of its divisors is an integer number (2890308089277).

Almost surely, 2^{11555023315313} is an apocalyptic number.

It is an amenable number.

11555023315313 is a deficient number, since it is larger than the sum of its proper divisors (6209041795).

11555023315313 is an equidigital number, since it uses as much as digits as its factorization.

11555023315313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209041794.

The product of its (nonzero) digits is 101250, while the sum is 38.

The spelling of 11555023315313 in words is "eleven trillion, five hundred fifty-five billion, twenty-three million, three hundred fifteen thousand, three hundred thirteen".