11154331340 has 48 divisors (see below), whose sum is σ = 24313545984. Its totient is φ = 4293907200.

The previous prime is 11154331333. The next prime is 11154331343. The reversal of 11154331340 is 4313345111.

11154331340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11154331343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 62522 + ... + 161918.

It is an arithmetic number, because the mean of its divisors is an integer number (506532208).

Almost surely, 2^11154331340 is an apocalyptic number.

11154331340 is a gapful number since it is divisible by the number (10) 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 11154331340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12156772992).

11154331340 is an abundant number, since it is smaller than the sum of its proper divisors (13159214644).

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

11154331340 is a wasteful number, since it uses less digits than its factorization.

11154331340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99618 (or 99616 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 11154331340 its reverse (4313345111), we get a palindrome (15467676451).

The spelling of 11154331340 in words is "eleven billion, one hundred fifty-four million, three hundred thirty-one thousand, three hundred forty".