30515340352505 has 4 divisors (see below), whose sum is σ = 36618408423012. Its totient is φ = 24412272282000.

The previous prime is 30515340352501. The next prime is 30515340352577. The reversal of 30515340352505 is 50525304351503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4905374476864 + 25609965875641 = 2214808^2 + 5060629^2 .

It is not a de Polignac number, because 30515340352505 - 2² = 30515340352501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30515340352501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051534035246 + ... + 3051534035255.

It is an arithmetic number, because the mean of its divisors is an integer number (9154602105753).

Almost surely, 2^{30515340352505} is an apocalyptic number.

It is an amenable number.

30515340352505 is a deficient number, since it is larger than the sum of its proper divisors (6103068070507).

30515340352505 is an equidigital number, since it uses as much as digits as its factorization.

30515340352505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103068070506.

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 30515340352505 in words is "thirty trillion, five hundred fifteen billion, three hundred forty million, three hundred fifty-two thousand, five hundred five".