501551163325 has 12 divisors (see below), whose sum is σ = 632464519680. Its totient is φ = 394440235760.

The previous prime is 501551163317. The next prime is 501551163371. The reversal of 501551163325 is 523361155105.

It is not a de Polignac number, because 501551163325 - 2³ = 501551163317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170015869 + ... + 170018818.

It is an arithmetic number, because the mean of its divisors is an integer number (52705376640).

Almost surely, 2^501551163325 is an apocalyptic number.

It is an amenable number.

501551163325 is a deficient number, since it is larger than the sum of its proper divisors (130913356355).

501551163325 is a wasteful number, since it uses less digits than its factorization.

501551163325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340034756 (or 340034751 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 501551163325 in words is "five hundred one billion, five hundred fifty-one million, one hundred sixty-three thousand, three hundred twenty-five".