520651253516 has 24 divisors (see below), whose sum is σ = 914480688240. Its totient is φ = 259371257600.

The previous prime is 520651253513. The next prime is 520651253531. The reversal of 520651253516 is 615352156025.

It is a super-3 number, since 3×520651253516³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (520651253513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13839011 + ... + 13876581.

It is an arithmetic number, because the mean of its divisors is an integer number (38103362010).

Almost surely, 2^520651253516 is an apocalyptic number.

It is an amenable number.

520651253516 is a deficient number, since it is larger than the sum of its proper divisors (393829434724).

520651253516 is a wasteful number, since it uses less digits than its factorization.

520651253516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50185 (or 50183 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 520651253516 in words is "five hundred twenty billion, six hundred fifty-one million, two hundred fifty-three thousand, five hundred sixteen".