513163601111 has 48 divisors (see below), whose sum is σ = 633855954432. Its totient is φ = 406781222400.

The previous prime is 513163601101. The next prime is 513163601117. The reversal of 513163601111 is 111106361315.

It is not a de Polignac number, because 513163601111 - 2¹⁸ = 513163338967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513163601117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193864790 + ... + 193867436.

It is an arithmetic number, because the mean of its divisors is an integer number (13205332384).

Almost surely, 2^513163601111 is an apocalyptic number.

513163601111 is a deficient number, since it is larger than the sum of its proper divisors (120692353321).

513163601111 is a wasteful number, since it uses less digits than its factorization.

513163601111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320 (or 4303 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

Adding to 513163601111 its reverse (111106361315), we get a palindrome (624269962426).

The spelling of 513163601111 in words is "five hundred thirteen billion, one hundred sixty-three million, six hundred one thousand, one hundred eleven".