16513135201 has 4 divisors (see below), whose sum is σ = 17382247600. Its totient is φ = 15644022804.

The previous prime is 16513135193. The next prime is 16513135207. The reversal of 16513135201 is 10253131561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10253131561 = 73 ⋅140453857.

It is a cyclic number.

It is not a de Polignac number, because 16513135201 - 2³ = 16513135193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16513135201.

It is not an unprimeable number, because it can be changed into a prime (16513135207) 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, 434556171 + ... + 434556208.

It is an arithmetic number, because the mean of its divisors is an integer number (4345561900).

Almost surely, 2^16513135201 is an apocalyptic number.

It is an amenable number.

16513135201 is a deficient number, since it is larger than the sum of its proper divisors (869112399).

16513135201 is an equidigital number, since it uses as much as digits as its factorization.

16513135201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869112398.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 16513135201 its reverse (10253131561), we get a palindrome (26766266762).

The spelling of 16513135201 in words is "sixteen billion, five hundred thirteen million, one hundred thirty-five thousand, two hundred one".