30055173226157 has 2 divisors, whose sum is σ = 30055173226158. Its totient is φ = 30055173226156.

The previous prime is 30055173226081. The next prime is 30055173226187. The reversal of 30055173226157 is 75162237155003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28372603640836 + 1682569585321 = 5326594^2 + 1297139^2 .

It is a cyclic number.

It is not a de Polignac number, because 30055173226157 - 2⁸ = 30055173225901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30055173226187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15027586613078 + 15027586613079.

It is an arithmetic number, because the mean of its divisors is an integer number (15027586613079).

Almost surely, 2^{30055173226157} is an apocalyptic number.

It is an amenable number.

30055173226157 is a deficient number, since it is larger than the sum of its proper divisors (1).

30055173226157 is an equidigital number, since it uses as much as digits as its factorization.

30055173226157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323000, while the sum is 47.

The spelling of 30055173226157 in words is "thirty trillion, fifty-five billion, one hundred seventy-three million, two hundred twenty-six thousand, one hundred fifty-seven".