505556351125 has 64 divisors (see below), whose sum is σ = 754922488320. Its totient is φ = 330679104000.

The previous prime is 505556351119. The next prime is 505556351129. The reversal of 505556351125 is 521153655505.

It is not a de Polignac number, because 505556351125 - 2¹⁹ = 505555826837 is a prime.

It is a super-3 number, since 3×505556351125³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505556351129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1986105 + ... + 2226145.

It is an arithmetic number, because the mean of its divisors is an integer number (11795663880).

Almost surely, 2^505556351125 is an apocalyptic number.

It is an amenable number.

505556351125 is a deficient number, since it is larger than the sum of its proper divisors (249366137195).

505556351125 is a wasteful number, since it uses less digits than its factorization.

505556351125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240175 (or 240165 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 505556351125 in words is "five hundred five billion, five hundred fifty-six million, three hundred fifty-one thousand, one hundred twenty-five".