11335621606513 has 4 divisors (see below), whose sum is σ = 11393162833140. Its totient is φ = 11278080379888.

The previous prime is 11335621606501. The next prime is 11335621606523. The reversal of 11335621606513 is 31560612653311.

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 9493010831329 + 1842610775184 = 3081073^2 + 1357428^2 .

It is a cyclic number.

It is not a de Polignac number, because 11335621606513 - 2¹⁷ = 11335621475441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11335621606513.

It is not an unprimeable number, because it can be changed into a prime (11335621606523) 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, 28770613018 + ... + 28770613411.

It is an arithmetic number, because the mean of its divisors is an integer number (2848290708285).

Almost surely, 2^{11335621606513} is an apocalyptic number.

It is an amenable number.

11335621606513 is a deficient number, since it is larger than the sum of its proper divisors (57541226627).

11335621606513 is an equidigital number, since it uses as much as digits as its factorization.

11335621606513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57541226626.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 11335621606513 in words is "eleven trillion, three hundred thirty-five billion, six hundred twenty-one million, six hundred six thousand, five hundred thirteen".