505202315051 has 48 divisors (see below), whose sum is σ = 625572460800. Its totient is φ = 398551321728.

The previous prime is 505202315047. The next prime is 505202315071. The reversal of 505202315051 is 150513202505.

It is not a de Polignac number, because 505202315051 - 2² = 505202315047 is a prime.

It is a super-2 number, since 2×505202315051² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505202315071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150940160 + ... + 150943506.

It is an arithmetic number, because the mean of its divisors is an integer number (13032759600).

Almost surely, 2^505202315051 is an apocalyptic number.

505202315051 is a deficient number, since it is larger than the sum of its proper divisors (120370145749).

505202315051 is a wasteful number, since it uses less digits than its factorization.

505202315051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 505202315051 its reverse (150513202505), we get a palindrome (655715517556).

The spelling of 505202315051 in words is "five hundred five billion, two hundred two million, three hundred fifteen thousand, fifty-one".