11630155158 has 24 divisors (see below), whose sum is σ = 26680944888. Its totient is φ = 3648676032.

The previous prime is 11630155109. The next prime is 11630155171. The reversal of 11630155158 is 85155103611.

It is a happy number.

11630155158 is a `hidden beast` number, since 1 + 1 + 630 + 1 + 5 + 5 + 15 + 8 = 666.

11630155158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 19003216 + ... + 19003827.

It is an arithmetic number, because the mean of its divisors is an integer number (1111706037).

Almost surely, 2^11630155158 is an apocalyptic number.

11630155158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11630155158 is an abundant number, since it is smaller than the sum of its proper divisors (15050789730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11630155158 is a wasteful number, since it uses less digits than its factorization.

11630155158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38007068 (or 38007065 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

Adding to 11630155158 its reverse (85155103611), we get a palindrome (96785258769).

The spelling of 11630155158 in words is "eleven billion, six hundred thirty million, one hundred fifty-five thousand, one hundred fifty-eight".