30155426161 has 4 divisors (see below), whose sum is σ = 34463344192. Its totient is φ = 25847508132.

The previous prime is 30155426153. The next prime is 30155426177. The reversal of 30155426161 is 16162455103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30155426161 - 2³ = 30155426153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30155426101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2153959005 + ... + 2153959018.

It is an arithmetic number, because the mean of its divisors is an integer number (8615836048).

Almost surely, 2^30155426161 is an apocalyptic number.

It is an amenable number.

30155426161 is a deficient number, since it is larger than the sum of its proper divisors (4307918031).

30155426161 is an equidigital number, since it uses as much as digits as its factorization.

30155426161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307918030.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 30155426161 in words is "thirty billion, one hundred fifty-five million, four hundred twenty-six thousand, one hundred sixty-one".