11138750984 has 32 divisors (see below), whose sum is σ = 21104846400. Its totient is φ = 5510928960.

The previous prime is 11138750981. The next prime is 11138750993. The reversal of 11138750984 is 48905783111.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11138750981) 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, 678149 + ... + 694379.

It is an arithmetic number, because the mean of its divisors is an integer number (659526450).

Almost surely, 2^11138750984 is an apocalyptic number.

It is an amenable number.

11138750984 is a deficient number, since it is larger than the sum of its proper divisors (9966095416).

11138750984 is a wasteful number, since it uses less digits than its factorization.

11138750984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17133 (or 17129 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 11138750984 in words is "eleven billion, one hundred thirty-eight million, seven hundred fifty thousand, nine hundred eighty-four".