513926111243 has 16 divisors (see below), whose sum is σ = 566290851840. Its totient is φ = 464535388800.

The previous prime is 513926111233. The next prime is 513926111273. The reversal of 513926111243 is 342111629315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 513926111243 - 2¹⁰ = 513926110219 is a prime.

It is a super-2 number, since 2×513926111243² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513926111197 and 513926111206.

It is not an unprimeable number, because it can be changed into a prime (513926111233) 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, 6102830 + ... + 6186467.

It is an arithmetic number, because the mean of its divisors is an integer number (35393178240).

Almost surely, 2^513926111243 is an apocalyptic number.

513926111243 is a deficient number, since it is larger than the sum of its proper divisors (52364740597).

513926111243 is a wasteful number, since it uses less digits than its factorization.

513926111243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12289418.

The product of its digits is 38880, while the sum is 38.

The spelling of 513926111243 in words is "five hundred thirteen billion, nine hundred twenty-six million, one hundred eleven thousand, two hundred forty-three".