11835360013 has 4 divisors (see below), whose sum is σ = 11835665920. Its totient is φ = 11835054108.

The previous prime is 11835359989. The next prime is 11835360023. The reversal of 11835360013 is 31006353811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31006353811 = 4271 ⋅7259741.

It is a cyclic number.

It is not a de Polignac number, because 11835360013 - 2¹⁷ = 11835228941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11835360023) 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, 84795 + ... + 175672.

It is an arithmetic number, because the mean of its divisors is an integer number (2958916480).

Almost surely, 2^11835360013 is an apocalyptic number.

It is an amenable number.

11835360013 is a deficient number, since it is larger than the sum of its proper divisors (305907).

11835360013 is an equidigital number, since it uses as much as digits as its factorization.

11835360013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305906.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 11835360013 in words is "eleven billion, eight hundred thirty-five million, three hundred sixty thousand, thirteen".