11179340640 has 288 divisors, whose sum is σ = 41226415776. Its totient is φ = 2742312960.

The previous prime is 11179340611. The next prime is 11179340651. The reversal of 11179340640 is 4604397111.

11179340640 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 9 + 3 + 4 + 0 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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 = 11179340595 and 11179340604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6494980 + ... + 6496700.

It is an arithmetic number, because the mean of its divisors is an integer number (143147277).

Almost surely, 2^11179340640 is an apocalyptic number.

11179340640 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 11179340640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20613207888).

11179340640 is an abundant number, since it is smaller than the sum of its proper divisors (30047075136).

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

11179340640 is a wasteful number, since it uses less digits than its factorization.

11179340640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 2091 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 11179340640 in words is "eleven billion, one hundred seventy-nine million, three hundred forty thousand, six hundred forty".