511144529149 has 2 divisors, whose sum is σ = 511144529150. Its totient is φ = 511144529148.

The previous prime is 511144529113. The next prime is 511144529167. The reversal of 511144529149 is 941925441115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393433781049 + 117710748100 = 627243^2 + 343090^2 .

It is a cyclic number.

It is not a de Polignac number, because 511144529149 - 2²⁹ = 510607658237 is a prime.

It is a super-2 number, since 2×511144529149² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511144529099 and 511144529108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511144521149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255572264574 + 255572264575.

It is an arithmetic number, because the mean of its divisors is an integer number (255572264575).

Almost surely, 2^511144529149 is an apocalyptic number.

It is an amenable number.

511144529149 is a deficient number, since it is larger than the sum of its proper divisors (1).

511144529149 is an equidigital number, since it uses as much as digits as its factorization.

511144529149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 46.

The spelling of 511144529149 in words is "five hundred eleven billion, one hundred forty-four million, five hundred twenty-nine thousand, one hundred forty-nine".