11123445678900 has 36 divisors (see below), whose sum is σ = 32183836165152. Its totient is φ = 2966252180960.

The previous prime is 11123445678887. The next prime is 11123445678907. The reversal of 11123445678900 is 987654432111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123445678907) 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 11 ways as a sum of consecutive naturals, for example, 18539075832 + ... + 18539076431.

It is an arithmetic number, because the mean of its divisors is an integer number (893995449032).

It is a 2-persistent number, because it is pandigital, and so is 2⋅11123445678900 = 22246891357800, but 3⋅11123445678900 = 33370337036700 is not.

Almost surely, 2^{11123445678900} is an apocalyptic number.

11123445678900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123445678900 is an abundant number, since it is smaller than the sum of its proper divisors (21060390486252).

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

11123445678900 is a wasteful number, since it uses less digits than its factorization.

11123445678900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37078152280 (or 37078152273 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 11123445678900 in words is "eleven trillion, one hundred twenty-three billion, four hundred forty-five million, six hundred seventy-eight thousand, nine hundred".