30000511005 has 8 divisors (see below), whose sum is σ = 48000817632. Its totient is φ = 16000272528.

The previous prime is 30000511001. The next prime is 30000511019. The reversal of 30000511005 is 50011500003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30000511005 - 2² = 30000511001 is a prime.

It is a super-2 number, since 2×30000511005² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 2000034067 = 30000511005 / (3 + 0 + 0 + 0 + 0 + 5 + 1 + 1 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000511001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000017019 + ... + 1000017048.

It is an arithmetic number, because the mean of its divisors is an integer number (6000102204).

Almost surely, 2^30000511005 is an apocalyptic number.

It is an amenable number.

30000511005 is a deficient number, since it is larger than the sum of its proper divisors (18000306627).

30000511005 is a wasteful number, since it uses less digits than its factorization.

30000511005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000034075.

The product of its (nonzero) digits is 75, while the sum is 15.

The spelling of 30000511005 in words is "thirty billion, five hundred eleven thousand, five".