30805500327805 has 16 divisors (see below), whose sum is σ = 42248191265280. Its totient is φ = 21123447674112.

The previous prime is 30805500327803. The next prime is 30805500327821. The reversal of 30805500327805 is 50872300550803.

It is not a de Polignac number, because 30805500327805 - 2¹ = 30805500327803 is a prime.

It is a super-2 number, since 2×30805500327805² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30805500327803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4423644 + ... + 9009973.

It is an arithmetic number, because the mean of its divisors is an integer number (2640511954080).

Almost surely, 2^{30805500327805} is an apocalyptic number.

30805500327805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30805500327805 is a deficient number, since it is larger than the sum of its proper divisors (11442690937475).

30805500327805 is a wasteful number, since it uses less digits than its factorization.

30805500327805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13499148.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 30805500327805 in words is "thirty trillion, eight hundred five billion, five hundred million, three hundred twenty-seven thousand, eight hundred five".