30111009985 has 16 divisors (see below), whose sum is σ = 41332795776. Its totient is φ = 20628701568.

The previous prime is 30111009961. The next prime is 30111010003. The reversal of 30111009985 is 58990011103.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30111009985 - 2⁷ = 30111009857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353727 + ... + 430516.

It is an arithmetic number, because the mean of its divisors is an integer number (2583299736).

Almost surely, 2^30111009985 is an apocalyptic number.

30111009985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30111009985 is a deficient number, since it is larger than the sum of its proper divisors (11221785791).

30111009985 is a wasteful number, since it uses less digits than its factorization.

30111009985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785352.

The product of its (nonzero) digits is 9720, while the sum is 37.

The spelling of 30111009985 in words is "thirty billion, one hundred eleven million, nine thousand, nine hundred eighty-five".