511553134211 has 16 divisors (see below), whose sum is σ = 615444053760. Its totient is φ = 415368324000.

The previous prime is 511553134201. The next prime is 511553134241. The reversal of 511553134211 is 112431355115.

It is not a de Polignac number, because 511553134211 - 2¹⁰ = 511553133187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511553134201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960961 + ... + 2206461.

It is an arithmetic number, because the mean of its divisors is an integer number (38465253360).

Almost surely, 2^511553134211 is an apocalyptic number.

511553134211 is a deficient number, since it is larger than the sum of its proper divisors (103890919549).

511553134211 is a wasteful number, since it uses less digits than its factorization.

511553134211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261194.

The product of its digits is 9000, while the sum is 32.

Adding to 511553134211 its reverse (112431355115), we get a palindrome (623984489326).

The spelling of 511553134211 in words is "five hundred eleven billion, five hundred fifty-three million, one hundred thirty-four thousand, two hundred eleven".