30111211079 has 2 divisors, whose sum is σ = 30111211080. Its totient is φ = 30111211078.

The previous prime is 30111211073. The next prime is 30111211157. The reversal of 30111211079 is 97011211103.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30111211079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30111211073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055605539 + 15055605540.

It is an arithmetic number, because the mean of its divisors is an integer number (15055605540).

Almost surely, 2^30111211079 is an apocalyptic number.

30111211079 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111211079 is an equidigital number, since it uses as much as digits as its factorization.

30111211079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 26.

The spelling of 30111211079 in words is "thirty billion, one hundred eleven million, two hundred eleven thousand, seventy-nine".