513523151122 has 16 divisors (see below), whose sum is σ = 785350117080. Its totient is φ = 251780441472.

The previous prime is 513523151117. The next prime is 513523151123. The reversal of 513523151122 is 221151325315.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 405118247121 + 108404904001 = 636489^2 + 329249^2 .

It is not an unprimeable number, because it can be changed into a prime (513523151123) 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 7 ways as a sum of consecutive naturals, for example, 10140297 + ... + 10190812.

Almost surely, 2^513523151122 is an apocalyptic number.

513523151122 is a deficient number, since it is larger than the sum of its proper divisors (271826965958).

513523151122 is a wasteful number, since it uses less digits than its factorization.

513523151122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20331357.

The product of its digits is 9000, while the sum is 31.

Adding to 513523151122 its reverse (221151325315), we get a palindrome (734674476437).

The spelling of 513523151122 in words is "five hundred thirteen billion, five hundred twenty-three million, one hundred fifty-one thousand, one hundred twenty-two".