515623605344452 has 24 divisors (see below), whose sum is σ = 984819170315232. Its totient is φ = 234267977294400.

The previous prime is 515623605344423. The next prime is 515623605344473. The reversal of 515623605344452 is 254443506326515.

It is a super-2 number, since 2×515623605344452² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 515623605344393 and 515623605344402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2659621249 + ... + 2659815112.

It is an arithmetic number, because the mean of its divisors is an integer number (41034132096468).

Almost surely, 2^{515623605344452} is an apocalyptic number.

It is an amenable number.

515623605344452 is a deficient number, since it is larger than the sum of its proper divisors (469195564970780).

515623605344452 is a wasteful number, since it uses less digits than its factorization.

515623605344452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319438579 (or 5319438577 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 55.

The spelling of 515623605344452 in words is "five hundred fifteen trillion, six hundred twenty-three billion, six hundred five million, three hundred forty-four thousand, four hundred fifty-two".