11565341352511 has 8 divisors (see below), whose sum is σ = 11635924364064. Its totient is φ = 11494774168320.

The previous prime is 11565341352463. The next prime is 11565341352527. The reversal of 11565341352511 is 11525314356511.

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 11565341352511 - 2³⁵ = 11530981614143 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 (11565341352011) 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, 2489290 + ... + 5415463.

It is an arithmetic number, because the mean of its divisors is an integer number (1454490545508).

Almost surely, 2^{11565341352511} is an apocalyptic number.

11565341352511 is a deficient number, since it is larger than the sum of its proper divisors (70583011553).

11565341352511 is an equidigital number, since it uses as much as digits as its factorization.

11565341352511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913681.

The product of its digits is 270000, while the sum is 43.

The spelling of 11565341352511 in words is "eleven trillion, five hundred sixty-five billion, three hundred forty-one million, three hundred fifty-two thousand, five hundred eleven".