13605561077 has 8 divisors (see below), whose sum is σ = 14236842240. Its totient is φ = 12986304480.

The previous prime is 13605561061. The next prime is 13605561083. The reversal of 13605561077 is 77016550631.

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 13605561077 - 2⁴ = 13605561061 is a prime.

It is a super-2 number, since 2×13605561077² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13605561877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003827 + ... + 3008352.

It is an arithmetic number, because the mean of its divisors is an integer number (1779605280).

Almost surely, 2^13605561077 is an apocalyptic number.

It is an amenable number.

13605561077 is a deficient number, since it is larger than the sum of its proper divisors (631281163).

13605561077 is an equidigital number, since it uses as much as digits as its factorization.

13605561077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012283.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 13605561077 in words is "thirteen billion, six hundred five million, five hundred sixty-one thousand, seventy-seven".