5257201336520 has 64 divisors (see below), whose sum is σ = 13549033883520. Its totient is φ = 1798400208384.

The previous prime is 5257201336507. The next prime is 5257201336523. The reversal of 5257201336520 is 256331027525.

It is not an unprimeable number, because it can be changed into a prime (5257201336523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21067517 + ... + 21315596.

It is an arithmetic number, because the mean of its divisors is an integer number (211703654430).

Almost surely, 2^{5257201336520} is an apocalyptic number.

It is an amenable number.

5257201336520 is an abundant number, since it is smaller than the sum of its proper divisors (8291832547000).

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

5257201336520 is a wasteful number, since it uses less digits than its factorization.

5257201336520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42383574 (or 42383570 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 5257201336520 in words is "five trillion, two hundred fifty-seven billion, two hundred one million, three hundred thirty-six thousand, five hundred twenty".