11112334567890 has 32 divisors (see below), whose sum is σ = 26669710843776. Its totient is φ = 2963277231360.

The previous prime is 11112334567861. The next prime is 11112334567897. The reversal of 11112334567890 is 9876543321111.

It is not an unprimeable number, because it can be changed into a prime (11112334567897) 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 15 ways as a sum of consecutive naturals, for example, 8776314 + ... + 9962346.

It is an arithmetic number, because the mean of its divisors is an integer number (833428463868).

It is a 2-persistent number, because it is pandigital, and so is 2⋅11112334567890 = 22224669135780, but 3⋅11112334567890 = 33337003703670 is not.

Almost surely, 2^{11112334567890} is an apocalyptic number.

11112334567890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112334567890 is an abundant number, since it is smaller than the sum of its proper divisors (15557376275886).

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

11112334567890 is a wasteful number, since it uses less digits than its factorization.

11112334567890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498354.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 11112334567890 in words is "eleven trillion, one hundred twelve billion, three hundred thirty-four million, five hundred sixty-seven thousand, eight hundred ninety".