202011653513 has 4 divisors (see below), whose sum is σ = 202027776720. Its totient is φ = 201995530308.

The previous prime is 202011653509. The next prime is 202011653537. The reversal of 202011653513 is 315356110202.

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.

It is a cyclic number.

It is not a de Polignac number, because 202011653513 - 2² = 202011653509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202011653573) 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, 8042795 + ... + 8067872.

It is an arithmetic number, because the mean of its divisors is an integer number (50506944180).

Almost surely, 2^202011653513 is an apocalyptic number.

It is an amenable number.

202011653513 is a deficient number, since it is larger than the sum of its proper divisors (16123207).

202011653513 is a wasteful number, since it uses less digits than its factorization.

202011653513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16123206.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 202011653513 its reverse (315356110202), we get a palindrome (517367763715).

The spelling of 202011653513 in words is "two hundred two billion, eleven million, six hundred fifty-three thousand, five hundred thirteen".