111234467890 has 64 divisors (see below), whose sum is σ = 253087398144. Its totient is φ = 34252409088.

The previous prime is 111234467857. The next prime is 111234467917. The reversal of 111234467890 is 98764432111.

It is a self number, because there is not a number n which added to its sum of digits gives 111234467890.

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 31 ways as a sum of consecutive naturals, for example, 1618164 + ... + 1685503.

It is an arithmetic number, because the mean of its divisors is an integer number (3954490596).

Almost surely, 2^111234467890 is an apocalyptic number.

111234467890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111234467890 is an abundant number, since it is smaller than the sum of its proper divisors (141852930254).

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

111234467890 is a wasteful number, since it uses less digits than its factorization.

111234467890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303731.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 111234467890 in words is "one hundred eleven billion, two hundred thirty-four million, four hundred sixty-seven thousand, eight hundred ninety".