11663042577 has 16 divisors (see below), whose sum is σ = 15601090560. Its totient is φ = 7750207872.

The previous prime is 11663042509. The next prime is 11663042591. The reversal of 11663042577 is 77524036611.

It is a happy number.

11663042577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11663042577 - 2¹⁰ = 11663041553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11663042597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2275824 + ... + 2280942.

It is an arithmetic number, because the mean of its divisors is an integer number (975068160).

Almost surely, 2^11663042577 is an apocalyptic number.

It is an amenable number.

11663042577 is a deficient number, since it is larger than the sum of its proper divisors (3938047983).

11663042577 is a wasteful number, since it uses less digits than its factorization.

11663042577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 11663042577 in words is "eleven billion, six hundred sixty-three million, forty-two thousand, five hundred seventy-seven".