520554211042 has 16 divisors (see below), whose sum is σ = 787954983480. Its totient is φ = 257903799552.

The previous prime is 520554210983. The next prime is 520554211097. The reversal of 520554211042 is 240112455025.

It can be written as a sum of positive squares in 4 ways, for example, as 121257864841 + 399296346201 = 348221^2 + 631899^2 .

It is a super-3 number, since 3×520554211042³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520554210995 and 520554211013.

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, 527728 + ... + 1148740.

Almost surely, 2^520554211042 is an apocalyptic number.

520554211042 is a deficient number, since it is larger than the sum of its proper divisors (267400772438).

520554211042 is a wasteful number, since it uses less digits than its factorization.

520554211042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624837.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 520554211042 its reverse (240112455025), we get a palindrome (760666666067).

The spelling of 520554211042 in words is "five hundred twenty billion, five hundred fifty-four million, two hundred eleven thousand, forty-two".