11378217860 has 24 divisors (see below), whose sum is σ = 24718198680. Its totient is φ = 4394345984.

The previous prime is 11378217859. The next prime is 11378217863. The reversal of 11378217860 is 6871287311.

It can be written as a sum of positive squares in 4 ways, for example, as 3455793796 + 7922424064 = 58786^2 + 89008^2 .

It is not an unprimeable number, because it can be changed into a prime (11378217863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9808229 + ... + 9809388.

It is an arithmetic number, because the mean of its divisors is an integer number (1029924945).

Almost surely, 2^11378217860 is an apocalyptic number.

11378217860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11378217860 is an abundant number, since it is smaller than the sum of its proper divisors (13339980820).

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

11378217860 is a wasteful number, since it uses less digits than its factorization.

11378217860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19617655 (or 19617653 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 11378217860 in words is "eleven billion, three hundred seventy-eight million, two hundred seventeen thousand, eight hundred sixty".