513524161099 has 4 divisors (see below), whose sum is σ = 526049140680. Its totient is φ = 500999181520.

The previous prime is 513524161091. The next prime is 513524161193. The reversal of 513524161099 is 990161425315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990161425315 = 5 ⋅198032285063.

It is a cyclic number.

It is not a de Polignac number, because 513524161099 - 2³ = 513524161091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513524161091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6262489729 + ... + 6262489810.

It is an arithmetic number, because the mean of its divisors is an integer number (131512285170).

Almost surely, 2^513524161099 is an apocalyptic number.

513524161099 is a deficient number, since it is larger than the sum of its proper divisors (12524979581).

513524161099 is a wasteful number, since it uses less digits than its factorization.

513524161099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12524979580.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 513524161099 in words is "five hundred thirteen billion, five hundred twenty-four million, one hundred sixty-one thousand, ninety-nine".