30111146661 has 8 divisors (see below), whose sum is σ = 40464323584. Its totient is φ = 19916033760.

The previous prime is 30111146627. The next prime is 30111146669. The reversal of 30111146661 is 16664111103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30111146661 - 2¹⁷ = 30111015589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111146669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39515560 + ... + 39516321.

It is an arithmetic number, because the mean of its divisors is an integer number (5058040448).

Almost surely, 2^30111146661 is an apocalyptic number.

It is an amenable number.

30111146661 is a deficient number, since it is larger than the sum of its proper divisors (10353176923).

30111146661 is a wasteful number, since it uses less digits than its factorization.

30111146661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79032011.

The product of its (nonzero) digits is 2592, while the sum is 30.

Adding to 30111146661 its reverse (16664111103), we get a palindrome (46775257764).

The spelling of 30111146661 in words is "thirty billion, one hundred eleven million, one hundred forty-six thousand, six hundred sixty-one".