520617146255 has 16 divisors (see below), whose sum is σ = 661547676384. Its totient is φ = 391959920640.

The previous prime is 520617146237. The next prime is 520617146299. The reversal of 520617146255 is 552641716025.

It is not a de Polignac number, because 520617146255 - 2⁶ = 520617146191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736079 + ... + 1258191.

It is an arithmetic number, because the mean of its divisors is an integer number (41346729774).

Almost surely, 2^520617146255 is an apocalyptic number.

520617146255 is a deficient number, since it is larger than the sum of its proper divisors (140930530129).

520617146255 is a wasteful number, since it uses less digits than its factorization.

520617146255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533866.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 520617146255 in words is "five hundred twenty billion, six hundred seventeen million, one hundred forty-six thousand, two hundred fifty-five".