30427705155 has 8 divisors (see below), whose sum is σ = 48684328272. Its totient is φ = 16228109408.

The previous prime is 30427705129. The next prime is 30427705183. The reversal of 30427705155 is 55150772403.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30427705155 - 2¹¹ = 30427703107 is a prime.

It is a super-2 number, since 2×30427705155² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014256824 + ... + 1014256853.

It is an arithmetic number, because the mean of its divisors is an integer number (6085541034).

Almost surely, 2^30427705155 is an apocalyptic number.

30427705155 is a deficient number, since it is larger than the sum of its proper divisors (18256623117).

30427705155 is a wasteful number, since it uses less digits than its factorization.

30427705155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028513685.

The product of its (nonzero) digits is 147000, while the sum is 39.

The spelling of 30427705155 in words is "thirty billion, four hundred twenty-seven million, seven hundred five thousand, one hundred fifty-five".