511230215353 has 16 divisors (see below), whose sum is σ = 635935902336. Its totient is φ = 403768823040.

The previous prime is 511230215333. The next prime is 511230215357. The reversal of 511230215353 is 353512032115.

It is not a de Polignac number, because 511230215353 - 2²⁵ = 511196660921 is a prime.

It is a super-2 number, since 2×511230215353² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511230215357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105145701 + ... + 105150562.

It is an arithmetic number, because the mean of its divisors is an integer number (39745993896).

Almost surely, 2^511230215353 is an apocalyptic number.

It is an amenable number.

511230215353 is a deficient number, since it is larger than the sum of its proper divisors (124705686983).

511230215353 is a wasteful number, since it uses less digits than its factorization.

511230215353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210296304.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 511230215353 its reverse (353512032115), we get a palindrome (864742247468).

The spelling of 511230215353 in words is "five hundred eleven billion, two hundred thirty million, two hundred fifteen thousand, three hundred fifty-three".