11119878500 has 48 divisors (see below), whose sum is σ = 25714411632. Its totient is φ = 4186304000.

The previous prime is 11119878491. The next prime is 11119878559. The reversal of 11119878500 is 587891111.

11119878500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3878549284 + 7241329216 = 62278^2 + 85096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645611 + ... + 662610.

It is an arithmetic number, because the mean of its divisors is an integer number (535716909).

Almost surely, 2^11119878500 is an apocalyptic number.

11119878500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11119878500 is an abundant number, since it is smaller than the sum of its proper divisors (14594533132).

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

11119878500 is a wasteful number, since it uses less digits than its factorization.

11119878500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308257 (or 1308245 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 41.

The spelling of 11119878500 in words is "eleven billion, one hundred nineteen million, eight hundred seventy-eight thousand, five hundred".