515012151113 has 2 divisors, whose sum is σ = 515012151114. Its totient is φ = 515012151112.

The previous prime is 515012151103. The next prime is 515012151131. The reversal of 515012151113 is 311151210515.

It is a happy number.

Together with next prime (515012151131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 511114895929 + 3897255184 = 714923^2 + 62428^2 .

It is a cyclic number.

It is not a de Polignac number, because 515012151113 - 2¹⁴ = 515012134729 is a prime.

It is not a weakly prime, because it can be changed into another prime (515012151103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257506075556 + 257506075557.

It is an arithmetic number, because the mean of its divisors is an integer number (257506075557).

Almost surely, 2^515012151113 is an apocalyptic number.

It is an amenable number.

515012151113 is a deficient number, since it is larger than the sum of its proper divisors (1).

515012151113 is an equidigital number, since it uses as much as digits as its factorization.

515012151113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 515012151113 its reverse (311151210515), we get a palindrome (826163361628).

The spelling of 515012151113 in words is "five hundred fifteen billion, twelve million, one hundred fifty-one thousand, one hundred thirteen".