30766622811 has 4 divisors (see below), whose sum is σ = 41022163752. Its totient is φ = 20511081872.

The previous prime is 30766622779. The next prime is 30766622833. The reversal of 30766622811 is 11822666703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11822666703 = 3 ⋅3940888901.

It is a cyclic number.

It is not a de Polignac number, because 30766622811 - 2⁵ = 30766622779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30766622611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5127770466 + ... + 5127770471.

It is an arithmetic number, because the mean of its divisors is an integer number (10255540938).

Almost surely, 2^30766622811 is an apocalyptic number.

30766622811 is a deficient number, since it is larger than the sum of its proper divisors (10255540941).

30766622811 is a wasteful number, since it uses less digits than its factorization.

30766622811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10255540940.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 30766622811 in words is "thirty billion, seven hundred sixty-six million, six hundred twenty-two thousand, eight hundred eleven".