11370240640 has 128 divisors (see below), whose sum is σ = 29948538240. Its totient is φ = 4093440000.

The previous prime is 11370240631. The next prime is 11370240641. The reversal of 11370240640 is 4604207311.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 11370240599 and 11370240608.

It is not an unprimeable number, because it can be changed into a prime (11370240641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703045 + ... + 719035.

It is an arithmetic number, because the mean of its divisors is an integer number (233972955).

Almost surely, 2^11370240640 is an apocalyptic number.

11370240640 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 11370240640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14974269120).

11370240640 is an abundant number, since it is smaller than the sum of its proper divisors (18578297600).

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

11370240640 is a wasteful number, since it uses less digits than its factorization.

11370240640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16122 (or 16110 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 11370240640 its reverse (4604207311), we get a palindrome (15974447951).

The spelling of 11370240640 in words is "eleven billion, three hundred seventy million, two hundred forty thousand, six hundred forty".