11634612228 has 120 divisors (see below), whose sum is σ = 32541875520. Its totient is φ = 3613740480.

The previous prime is 11634612217. The next prime is 11634612251. The reversal of 11634612228 is 82221643611.

It is a happy number.

11634612228 is a `hidden beast` number, since 1 + 1 + 6 + 34 + 612 + 2 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11634612192 and 11634612201.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 360025 + ... + 391007.

It is an arithmetic number, because the mean of its divisors is an integer number (271182296).

Almost surely, 2^11634612228 is an apocalyptic number.

11634612228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11634612228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16270937760).

11634612228 is an abundant number, since it is smaller than the sum of its proper divisors (20907263292).

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

11634612228 is a wasteful number, since it uses less digits than its factorization.

11634612228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31079 (or 31068 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The spelling of 11634612228 in words is "eleven billion, six hundred thirty-four million, six hundred twelve thousand, two hundred twenty-eight".