30705552111 has 32 divisors (see below), whose sum is σ = 45530705920. Its totient is φ = 18278784000.

The previous prime is 30705552103. The next prime is 30705552191. The reversal of 30705552111 is 11125550703.

It is not a de Polignac number, because 30705552111 - 2³ = 30705552103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30705552191) 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 31 ways as a sum of consecutive naturals, for example, 4988886 + ... + 4995036.

It is an arithmetic number, because the mean of its divisors is an integer number (1422834560).

Almost surely, 2^30705552111 is an apocalyptic number.

30705552111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30705552111 is a deficient number, since it is larger than the sum of its proper divisors (14825153809).

30705552111 is a wasteful number, since it uses less digits than its factorization.

30705552111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327.

The product of its (nonzero) digits is 5250, while the sum is 30.

The spelling of 30705552111 in words is "thirty billion, seven hundred five million, five hundred fifty-two thousand, one hundred eleven".