111010010985 has 24 divisors (see below), whose sum is σ = 192524332104. Its totient is φ = 59172422400.

The previous prime is 111010010957. The next prime is 111010011043. The reversal of 111010010985 is 589010010111.

It can be written as a sum of positive squares in 4 ways, for example, as 7706908521 + 103303102464 = 87789^2 + 321408^2 .

It is not a de Polignac number, because 111010010985 - 2⁹ = 111010010473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 603822 + ... + 765911.

It is an arithmetic number, because the mean of its divisors is an integer number (8021847171).

Almost surely, 2^111010010985 is an apocalyptic number.

111010010985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111010010985 is a deficient number, since it is larger than the sum of its proper divisors (81514321119).

111010010985 is a wasteful number, since it uses less digits than its factorization.

111010010985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371545 (or 1371542 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 27.

The spelling of 111010010985 in words is "one hundred eleven billion, ten million, ten thousand, nine hundred eighty-five".