11631533606 has 16 divisors (see below), whose sum is σ = 21752478720. Its totient is φ = 4531766280.

The previous prime is 11631533587. The next prime is 11631533629. The reversal of 11631533606 is 60633513611.

11631533606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 37764566 + ... + 37764873.

It is an arithmetic number, because the mean of its divisors is an integer number (1359529920).

Almost surely, 2^11631533606 is an apocalyptic number.

11631533606 is a deficient number, since it is larger than the sum of its proper divisors (10120945114).

11631533606 is a wasteful number, since it uses less digits than its factorization.

11631533606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75529459.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 11631533606 in words is "eleven billion, six hundred thirty-one million, five hundred thirty-three thousand, six hundred six".