11613205561513 has 8 divisors (see below), whose sum is σ = 11628519065856. Its totient is φ = 11597894506800.

The previous prime is 11613205561429. The next prime is 11613205561519. The reversal of 11613205561513 is 31516550231611.

11613205561513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11613205561513 - 2¹⁷ = 11613205430441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11613205561519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8974248 + ... + 10186438.

It is an arithmetic number, because the mean of its divisors is an integer number (1453564883232).

Almost surely, 2^{11613205561513} is an apocalyptic number.

It is an amenable number.

11613205561513 is a deficient number, since it is larger than the sum of its proper divisors (15313504343).

11613205561513 is a wasteful number, since it uses less digits than its factorization.

11613205561513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224815.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 11613205561513 in words is "eleven trillion, six hundred thirteen billion, two hundred five million, five hundred sixty-one thousand, five hundred thirteen".