11583355887647 has 16 divisors (see below), whose sum is σ = 12018262240512. Its totient is φ = 11152282901760.

The previous prime is 11583355887611. The next prime is 11583355887689. The reversal of 11583355887647 is 74678855338511.

It is a cyclic number.

It is not a de Polignac number, because 11583355887647 - 2¹⁸ = 11583355625503 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 (11583355817647) 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 15 ways as a sum of consecutive naturals, for example, 242625563 + ... + 242673299.

It is an arithmetic number, because the mean of its divisors is an integer number (751141390032).

Almost surely, 2^{11583355887647} is an apocalyptic number.

11583355887647 is a deficient number, since it is larger than the sum of its proper divisors (434906352865).

11583355887647 is a wasteful number, since it uses less digits than its factorization.

11583355887647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87698.

The product of its digits is 677376000, while the sum is 71.

The spelling of 11583355887647 in words is "eleven trillion, five hundred eighty-three billion, three hundred fifty-five million, eight hundred eighty-seven thousand, six hundred forty-seven".