521030235152 has 40 divisors (see below), whose sum is σ = 1155056238336. Its totient is φ = 223038072576.

The previous prime is 521030235149. The next prime is 521030235161. The reversal of 521030235152 is 251532030125.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2618168 + ... + 2810135.

Almost surely, 2^521030235152 is an apocalyptic number.

It is an amenable number.

521030235152 is an abundant number, since it is smaller than the sum of its proper divisors (634026003184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

521030235152 is a wasteful number, since it uses less digits than its factorization.

521030235152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429175 (or 5429169 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 521030235152 its reverse (251532030125), we get a palindrome (772562265277).

The spelling of 521030235152 in words is "five hundred twenty-one billion, thirty million, two hundred thirty-five thousand, one hundred fifty-two".