30405086111 has 2 divisors, whose sum is σ = 30405086112. Its totient is φ = 30405086110.

The previous prime is 30405086087. The next prime is 30405086113. The reversal of 30405086111 is 11168050403.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30405086111 is a prime.

It is a super-2 number, since 2×30405086111² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 30405086113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30405086113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202543055 + 15202543056.

It is an arithmetic number, because the mean of its divisors is an integer number (15202543056).

Almost surely, 2^30405086111 is an apocalyptic number.

30405086111 is a deficient number, since it is larger than the sum of its proper divisors (1).

30405086111 is an equidigital number, since it uses as much as digits as its factorization.

30405086111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 30405086111 in words is "thirty billion, four hundred five million, eighty-six thousand, one hundred eleven".