11138750982 has 48 divisors (see below), whose sum is σ = 25725211200. Its totient is φ = 3471042816.

The previous prime is 11138750981. The next prime is 11138750993. The reversal of 11138750982 is 28905783111.

11138750982 is a `hidden beast` number, since 1 + 1 + 138 + 7 + 509 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138750981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76558 + ... + 167745.

It is an arithmetic number, because the mean of its divisors is an integer number (535941900).

Almost surely, 2^11138750982 is an apocalyptic number.

11138750982 is an abundant number, since it is smaller than the sum of its proper divisors (14586460218).

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

11138750982 is a wasteful number, since it uses less digits than its factorization.

11138750982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244477 (or 244474 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 11138750982 in words is "eleven billion, one hundred thirty-eight million, seven hundred fifty thousand, nine hundred eighty-two".