511003143113 has 2 divisors, whose sum is σ = 511003143114. Its totient is φ = 511003143112.

The previous prime is 511003143097. The next prime is 511003143151. The reversal of 511003143113 is 311341300115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308860285504 + 202142857609 = 555752^2 + 449603^2 .

It is a cyclic number.

It is not a de Polignac number, because 511003143113 - 2⁴ = 511003143097 is a prime.

It is a super-2 number, since 2×511003143113² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511003143163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255501571556 + 255501571557.

It is an arithmetic number, because the mean of its divisors is an integer number (255501571557).

Almost surely, 2^511003143113 is an apocalyptic number.

It is an amenable number.

511003143113 is a deficient number, since it is larger than the sum of its proper divisors (1).

511003143113 is an equidigital number, since it uses as much as digits as its factorization.

511003143113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 511003143113 its reverse (311341300115), we get a palindrome (822344443228).

The spelling of 511003143113 in words is "five hundred eleven billion, three million, one hundred forty-three thousand, one hundred thirteen".