11234728036 has 81 divisors (see below), whose sum is σ = 23424424569. Its totient is φ = 4701045888.

The previous prime is 11234728007. The next prime is 11234728039. The reversal of 11234728036 is 63082743211.

It is a happy number.

The square root of 11234728036 is 105994.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 197964900 + 11036763136 = 14070^2 + 105056^2 .

It is a super-2 number, since 2×11234728036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11234727986 and 11234728004.

It is not an unprimeable number, because it can be changed into a prime (11234728039) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 99422316 + ... + 99422428.

Almost surely, 2^11234728036 is an apocalyptic number.

11234728036 is the 105994-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11234728036

11234728036 is an abundant number, since it is smaller than the sum of its proper divisors (12189696533).

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

11234728036 is an equidigital number, since it uses as much as digits as its factorization.

11234728036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 11234728036 in words is "eleven billion, two hundred thirty-four million, seven hundred twenty-eight thousand, thirty-six".