11080500438 has 256 divisors, whose sum is σ = 28366848000. Its totient is φ = 2876590080.

The previous prime is 11080500437. The next prime is 11080500443. The reversal of 11080500438 is 83400508011.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11080500437) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 98057470 + ... + 98057582.

It is an arithmetic number, because the mean of its divisors is an integer number (110808000).

Almost surely, 2^11080500438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11080500438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14183424000).

11080500438 is an abundant number, since it is smaller than the sum of its proper divisors (17286347562).

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

11080500438 is a wasteful number, since it uses less digits than its factorization.

11080500438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The spelling of 11080500438 in words is "eleven billion, eighty million, five hundred thousand, four hundred thirty-eight".