34515525521 has 2 divisors, whose sum is σ = 34515525522. Its totient is φ = 34515525520.

The previous prime is 34515525481. The next prime is 34515525553. The reversal of 34515525521 is 12552551543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31457988496 + 3057537025 = 177364^2 + 55295^2 .

It is a cyclic number.

It is not a de Polignac number, because 34515525521 - 2¹⁰ = 34515524497 is a prime.

It is not a weakly prime, because it can be changed into another prime (34515525721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17257762760 + 17257762761.

It is an arithmetic number, because the mean of its divisors is an integer number (17257762761).

Almost surely, 2^34515525521 is an apocalyptic number.

It is an amenable number.

34515525521 is a deficient number, since it is larger than the sum of its proper divisors (1).

34515525521 is an equidigital number, since it uses as much as digits as its factorization.

34515525521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150000, while the sum is 38.

The spelling of 34515525521 in words is "thirty-four billion, five hundred fifteen million, five hundred twenty-five thousand, five hundred twenty-one".