11779559636 has 12 divisors (see below), whose sum is σ = 22199939412. Its totient is φ = 5436719808.

The previous prime is 11779559629. The next prime is 11779559651. The reversal of 11779559636 is 63695597711.

It can be written as a sum of positive squares in 2 ways, for example, as 7797949636 + 3981610000 = 88306^2 + 63100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113264945 + ... + 113265048.

It is an arithmetic number, because the mean of its divisors is an integer number (1849994951).

Almost surely, 2^11779559636 is an apocalyptic number.

It is an amenable number.

11779559636 is a deficient number, since it is larger than the sum of its proper divisors (10420379776).

11779559636 is a wasteful number, since it uses less digits than its factorization.

11779559636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226530010 (or 226530008 counting only the distinct ones).

The product of its digits is 10716300, while the sum is 59.

The spelling of 11779559636 in words is "eleven billion, seven hundred seventy-nine million, five hundred fifty-nine thousand, six hundred thirty-six".