5351121532520 has 64 divisors (see below), whose sum is σ = 12220276464000. Its totient is φ = 2108406516480.

The previous prime is 5351121532487. The next prime is 5351121532541. The reversal of 5351121532520 is 252351211535.

It is a happy 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, 105730181 + ... + 105780779.

It is an arithmetic number, because the mean of its divisors is an integer number (190941819750).

Almost surely, 2^{5351121532520} is an apocalyptic number.

It is an amenable number.

5351121532520 is an abundant number, since it is smaller than the sum of its proper divisors (6869154931480).

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

5351121532520 is a wasteful number, since it uses less digits than its factorization.

5351121532520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90138 (or 90134 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 5351121532520 in words is "five trillion, three hundred fifty-one billion, one hundred twenty-one million, five hundred thirty-two thousand, five hundred twenty".