511342126203 has 16 divisors (see below), whose sum is σ = 688130838560. Its totient is φ = 337724868096.

The previous prime is 511342126187. The next prime is 511342126231. The reversal of 511342126203 is 302621243115.

It is not a de Polignac number, because 511342126203 - 2⁴ = 511342126187 is a prime.

It is a super-2 number, since 2×511342126203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511342126903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625651 + ... + 2813667.

It is an arithmetic number, because the mean of its divisors is an integer number (43008177410).

Almost surely, 2^511342126203 is an apocalyptic number.

511342126203 is a deficient number, since it is larger than the sum of its proper divisors (176788712357).

511342126203 is a wasteful number, since it uses less digits than its factorization.

511342126203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196446.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 511342126203 its reverse (302621243115), we get a palindrome (813963369318).

The spelling of 511342126203 in words is "five hundred eleven billion, three hundred forty-two million, one hundred twenty-six thousand, two hundred three".