1135323648 has 160 divisors (see below), whose sum is σ = 3559057920. Its totient is φ = 356106240.

The previous prime is 1135323641. The next prime is 1135323649. The reversal of 1135323648 is 8463235311.

1135323648 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 3 + 2 + 3 + 648 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1135323641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232593 + ... + 237423.

It is an arithmetic number, because the mean of its divisors is an integer number (22244112).

Almost surely, 2^1135323648 is an apocalyptic number.

1135323648 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 1135323648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779528960).

1135323648 is an abundant number, since it is smaller than the sum of its proper divisors (2423734272).

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

1135323648 is an equidigital number, since it uses as much as digits as its factorization.

1135323648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875 (or 4853 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1135323648 is about 33694.5640719686. The cubic root of 1135323648 is about 1043.2135707771.

Adding to 1135323648 its reverse (8463235311), we get a palindrome (9598558959).

The spelling of 1135323648 in words is "one billion, one hundred thirty-five million, three hundred twenty-three thousand, six hundred forty-eight".