511234532201 has 2 divisors, whose sum is σ = 511234532202. Its totient is φ = 511234532200.

The previous prime is 511234532161. The next prime is 511234532209. The reversal of 511234532201 is 102235432115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345390114601 + 165844417600 = 587699^2 + 407240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511234532201 is a prime.

It is a super-2 number, since 2×511234532201² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511234532209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255617266100 + 255617266101.

It is an arithmetic number, because the mean of its divisors is an integer number (255617266101).

Almost surely, 2^511234532201 is an apocalyptic number.

It is an amenable number.

511234532201 is a deficient number, since it is larger than the sum of its proper divisors (1).

511234532201 is an equidigital number, since it uses as much as digits as its factorization.

511234532201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 511234532201 its reverse (102235432115), we get a palindrome (613469964316).

The spelling of 511234532201 in words is "five hundred eleven billion, two hundred thirty-four million, five hundred thirty-two thousand, two hundred one".