11413939680 has 432 divisors, whose sum is σ = 46115334720. Its totient is φ = 2553661440.

The previous prime is 11413939679. The next prime is 11413939729. The reversal of 11413939680 is 8693931411.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2262601 + ... + 2267639.

It is an arithmetic number, because the mean of its divisors is an integer number (106748460).

Almost surely, 2^11413939680 is an apocalyptic number.

11413939680 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 11413939680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23057667360).

11413939680 is an abundant number, since it is smaller than the sum of its proper divisors (34701395040).

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

11413939680 is a wasteful number, since it uses less digits than its factorization.

11413939680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095 (or 5073 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 11413939680 in words is "eleven billion, four hundred thirteen million, nine hundred thirty-nine thousand, six hundred eighty".