515225123544255 has 64 divisors (see below), whose sum is σ = 837667638374400. Its totient is φ = 270366699133440.

The previous prime is 515225123544233. The next prime is 515225123544277. The reversal of 515225123544255 is 552445321522515.

It is an interprime number because it is at equal distance from previous prime (515225123544233) and next prime (515225123544277).

It is not a de Polignac number, because 515225123544255 - 2⁹ = 515225123543743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 515225123544198 and 515225123544207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16321621482 + ... + 16321653048.

It is an arithmetic number, because the mean of its divisors is an integer number (13088556849600).

Almost surely, 2^{515225123544255} is an apocalyptic number.

515225123544255 is a deficient number, since it is larger than the sum of its proper divisors (322442514830145).

515225123544255 is a wasteful number, since it uses less digits than its factorization.

515225123544255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62264.

The product of its digits is 12000000, while the sum is 51.

The spelling of 515225123544255 in words is "five hundred fifteen trillion, two hundred twenty-five billion, one hundred twenty-three million, five hundred forty-four thousand, two hundred fifty-five".