1112345678890 has 32 divisors (see below), whose sum is σ = 2006068680000. Its totient is φ = 444084052608.

The previous prime is 1112345678879. The next prime is 1112345678893. The reversal of 1112345678890 is 988765432111.

It is not an unprimeable number, because it can be changed into a prime (1112345678893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16962886 + ... + 17028334.

It is an arithmetic number, because the mean of its divisors is an integer number (62689646250).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1112345678890 = 2224691357780, but 3⋅1112345678890 = 3337037036670 is not.

Almost surely, 2^{1112345678890} is an apocalyptic number.

1112345678890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112345678890 is a deficient number, since it is larger than the sum of its proper divisors (893723001110).

1112345678890 is a wasteful number, since it uses less digits than its factorization.

1112345678890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68694.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 1112345678890 in words is "one trillion, one hundred twelve billion, three hundred forty-five million, six hundred seventy-eight thousand, eight hundred ninety".