515255543052351 has 32 divisors (see below), whose sum is σ = 737590131233280. Its totient is φ = 318986535772800.

The previous prime is 515255543052343. The next prime is 515255543052403. The reversal of 515255543052351 is 153250345552515.

It is a happy number.

It is not a de Polignac number, because 515255543052351 - 2³ = 515255543052343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 515255543052294 and 515255543052303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515255543052311) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 367270680 + ... + 368670941.

It is an arithmetic number, because the mean of its divisors is an integer number (23049691601040).

Almost surely, 2^{515255543052351} is an apocalyptic number.

515255543052351 is a deficient number, since it is larger than the sum of its proper divisors (222334588180929).

515255543052351 is a wasteful number, since it uses less digits than its factorization.

515255543052351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735941887.

The product of its (nonzero) digits is 11250000, while the sum is 51.

The spelling of 515255543052351 in words is "five hundred fifteen trillion, two hundred fifty-five billion, five hundred forty-three million, fifty-two thousand, three hundred fifty-one".