511120361 has 2 divisors, whose sum is σ = 511120362. Its totient is φ = 511120360.

The previous prime is 511120327. The next prime is 511120373. The reversal of 511120361 is 163021115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270405136 + 240715225 = 16444^2 + 15515^2 .

It is a cyclic number.

It is not a de Polignac number, because 511120361 - 2¹⁰ = 511119337 is a prime.

It is a super-2 number, since 2×511120361² = 522488046857540642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511120301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255560180 + 255560181.

It is an arithmetic number, because the mean of its divisors is an integer number (255560181).

Almost surely, 2^511120361 is an apocalyptic number.

It is an amenable number.

511120361 is a deficient number, since it is larger than the sum of its proper divisors (1).

511120361 is an equidigital number, since it uses as much as digits as its factorization.

511120361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 511120361 is about 22607.9711827488. The cubic root of 511120361 is about 799.5415920654.

Adding to 511120361 its reverse (163021115), we get a palindrome (674141476).

The spelling of 511120361 in words is "five hundred eleven million, one hundred twenty thousand, three hundred sixty-one".