11565645610355 has 16 divisors (see below), whose sum is σ = 13944817592064. Its totient is φ = 9208489594080.

The previous prime is 11565645610307. The next prime is 11565645610367. The reversal of 11565645610355 is 55301654656511.

It is not a de Polignac number, because 11565645610355 - 2¹² = 11565645606259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11565645610297 and 11565645610306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105199244 + ... + 105309126.

It is an arithmetic number, because the mean of its divisors is an integer number (871551099504).

Almost surely, 2^{11565645610355} is an apocalyptic number.

11565645610355 is a deficient number, since it is larger than the sum of its proper divisors (2379171981709).

11565645610355 is a wasteful number, since it uses less digits than its factorization.

11565645610355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209866.

The product of its (nonzero) digits is 8100000, while the sum is 53.

The spelling of 11565645610355 in words is "eleven trillion, five hundred sixty-five billion, six hundred forty-five million, six hundred ten thousand, three hundred fifty-five".