11631773506 has 16 divisors (see below), whose sum is σ = 17586072000. Its totient is φ = 5769844528.

The previous prime is 11631773449. The next prime is 11631773539. The reversal of 11631773506 is 60537713611.

11631773506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 226761 + ... + 273283.

It is an arithmetic number, because the mean of its divisors is an integer number (1099129500).

Almost surely, 2^11631773506 is an apocalyptic number.

11631773506 is a deficient number, since it is larger than the sum of its proper divisors (5954298494).

11631773506 is a wasteful number, since it uses less digits than its factorization.

11631773506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47513.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 11631773506 in words is "eleven billion, six hundred thirty-one million, seven hundred seventy-three thousand, five hundred six".