34091115521 has 2 divisors, whose sum is σ = 34091115522. Its totient is φ = 34091115520.

The previous prime is 34091115469. The next prime is 34091115533. The reversal of 34091115521 is 12551119043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33959118400 + 131997121 = 184280^2 + 11489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34091115521 is a prime.

It is not a weakly prime, because it can be changed into another prime (34091117521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17045557760 + 17045557761.

It is an arithmetic number, because the mean of its divisors is an integer number (17045557761).

Almost surely, 2^34091115521 is an apocalyptic number.

It is an amenable number.

34091115521 is a deficient number, since it is larger than the sum of its proper divisors (1).

34091115521 is an equidigital number, since it uses as much as digits as its factorization.

34091115521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 34091115521 in words is "thirty-four billion, ninety-one million, one hundred fifteen thousand, five hundred twenty-one".