30550305580505 has 4 divisors (see below), whose sum is σ = 36660366696612. Its totient is φ = 24440244464400.

The previous prime is 30550305580499. The next prime is 30550305580573. The reversal of 30550305580505 is 50508550305503.

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 16640419257289 + 13909886323216 = 4079267^2 + 3729596^2 .

It is not a de Polignac number, because 30550305580505 - 2⁴⁰ = 29450793952729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055030558046 + ... + 3055030558055.

It is an arithmetic number, because the mean of its divisors is an integer number (9165091674153).

Almost surely, 2^{30550305580505} is an apocalyptic number.

It is an amenable number.

30550305580505 is a deficient number, since it is larger than the sum of its proper divisors (6110061116107).

30550305580505 is an equidigital number, since it uses as much as digits as its factorization.

30550305580505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110061116106.

The product of its (nonzero) digits is 1125000, while the sum is 44.

The spelling of 30550305580505 in words is "thirty trillion, five hundred fifty billion, three hundred five million, five hundred eighty thousand, five hundred five".