505251315546 has 16 divisors (see below), whose sum is σ = 1054437528384. Its totient is φ = 161094622304.

The previous prime is 505251315509. The next prime is 505251315581. The reversal of 505251315546 is 645513152505.

It is a happy number.

It is a super-2 number, since 2×505251315546² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505251315498 and 505251315507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830620571 + ... + 1830620846.

It is an arithmetic number, because the mean of its divisors is an integer number (65902345524).

Almost surely, 2^505251315546 is an apocalyptic number.

505251315546 is an abundant number, since it is smaller than the sum of its proper divisors (549186212838).

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

505251315546 is a wasteful number, since it uses less digits than its factorization.

505251315546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661241445.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 505251315546 in words is "five hundred five billion, two hundred fifty-one million, three hundred fifteen thousand, five hundred forty-six".