11584864512649 has 2 divisors, whose sum is σ = 11584864512650. Its totient is φ = 11584864512648.

The previous prime is 11584864512643. The next prime is 11584864512677. The reversal of 11584864512649 is 94621546848511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10964330205049 + 620534307600 = 3311243^2 + 787740^2 .

It is a cyclic number.

It is not a de Polignac number, because 11584864512649 - 2¹⁹ = 11584863988361 is a prime.

It is not a weakly prime, because it can be changed into another prime (11584864512643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5792432256324 + 5792432256325.

It is an arithmetic number, because the mean of its divisors is an integer number (5792432256325).

Almost surely, 2^{11584864512649} is an apocalyptic number.

It is an amenable number.

11584864512649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11584864512649 is an equidigital number, since it uses as much as digits as its factorization.

11584864512649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66355200, while the sum is 64.

The spelling of 11584864512649 in words is "eleven trillion, five hundred eighty-four billion, eight hundred sixty-four million, five hundred twelve thousand, six hundred forty-nine".