513226562011 has 4 divisors (see below), whose sum is σ = 513228004792. Its totient is φ = 513225119232.

The previous prime is 513226561997. The next prime is 513226562063. The reversal of 513226562011 is 110265622315.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 110265622315 = 5 ⋅22053124463.

It is a cyclic number.

It is not a de Polignac number, because 513226562011 - 2¹⁷ = 513226430939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513226562911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233620 + ... + 1039726.

It is an arithmetic number, because the mean of its divisors is an integer number (128307001198).

Almost surely, 2^513226562011 is an apocalyptic number.

513226562011 is a deficient number, since it is larger than the sum of its proper divisors (1442781).

513226562011 is an equidigital number, since it uses as much as digits as its factorization.

513226562011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442780.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 513226562011 in words is "five hundred thirteen billion, two hundred twenty-six million, five hundred sixty-two thousand, eleven".