2150155177 has 2 divisors, whose sum is σ = 2150155178. Its totient is φ = 2150155176.

The previous prime is 2150155103. The next prime is 2150155229. The reversal of 2150155177 is 7715510512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1406175001 + 743980176 = 37499^2 + 27276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2150155177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2150158177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075077588 + 1075077589.

It is an arithmetic number, because the mean of its divisors is an integer number (1075077589).

Almost surely, 2^2150155177 is an apocalyptic number.

It is an amenable number.

2150155177 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150155177 is an equidigital number, since it uses as much as digits as its factorization.

2150155177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12250, while the sum is 34.

The square root of 2150155177 is about 46369.7657639113. The cubic root of 2150155177 is about 1290.6939312749.

Adding to 2150155177 its reverse (7715510512), we get a palindrome (9865665689).

The spelling of 2150155177 in words is "two billion, one hundred fifty million, one hundred fifty-five thousand, one hundred seventy-seven".