200431152511 has 4 divisors (see below), whose sum is σ = 201550879800. Its totient is φ = 199311425224.

The previous prime is 200431152503. The next prime is 200431152541. The reversal of 200431152511 is 115251134002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200431152511 - 2³ = 200431152503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200431152541) 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, 559863376 + ... + 559863733.

It is an arithmetic number, because the mean of its divisors is an integer number (50387719950).

Almost surely, 2^200431152511 is an apocalyptic number.

200431152511 is a deficient number, since it is larger than the sum of its proper divisors (1119727289).

200431152511 is a wasteful number, since it uses less digits than its factorization.

200431152511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119727288.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 200431152511 its reverse (115251134002), we get a palindrome (315682286513).

The spelling of 200431152511 in words is "two hundred billion, four hundred thirty-one million, one hundred fifty-two thousand, five hundred eleven".