30555605012005 has 16 divisors (see below), whose sum is σ = 36730402711344. Its totient is φ = 24402051072000.

The previous prime is 30555605011991. The next prime is 30555605012027. The reversal of 30555605012005 is 50021050655503.

It can be written as a sum of positive squares in 8 ways, for example, as 1763376838084 + 28792228173921 = 1327922^2 + 5365839^2 .

It is not a de Polignac number, because 30555605012005 - 2²³ = 30555596623397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12328597 + ... + 14598133.

It is an arithmetic number, because the mean of its divisors is an integer number (2295650169459).

Almost surely, 2^{30555605012005} is an apocalyptic number.

It is an amenable number.

30555605012005 is a deficient number, since it is larger than the sum of its proper divisors (6174797699339).

30555605012005 is a wasteful number, since it uses less digits than its factorization.

30555605012005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274216.

The product of its (nonzero) digits is 112500, while the sum is 37.

Adding to 30555605012005 its reverse (50021050655503), we get a palindrome (80576655667508).

The spelling of 30555605012005 in words is "thirty trillion, five hundred fifty-five billion, six hundred five million, twelve thousand, five".