513500423544011 has 8 divisors (see below), whose sum is σ = 525444814056624. Its totient is φ = 501556147585920.

The previous prime is 513500423544007. The next prime is 513500423544067. The reversal of 513500423544011 is 110445324005315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513500423544011 - 2² = 513500423544007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513500423544071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19535930 + ... + 37532031.

It is an arithmetic number, because the mean of its divisors is an integer number (65680601757078).

Almost surely, 2^{513500423544011} is an apocalyptic number.

513500423544011 is a deficient number, since it is larger than the sum of its proper divisors (11944390512613).

513500423544011 is a wasteful number, since it uses less digits than its factorization.

513500423544011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57277261.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 513500423544011 its reverse (110445324005315), we get a palindrome (623945747549326).

The spelling of 513500423544011 in words is "five hundred thirteen trillion, five hundred billion, four hundred twenty-three million, five hundred forty-four thousand, eleven".