513667371121 has 16 divisors (see below), whose sum is σ = 545748344064. Its totient is φ = 481796308224.

The previous prime is 513667371001. The next prime is 513667371209. The reversal of 513667371121 is 121173766315.

It is a cyclic number.

It is not a de Polignac number, because 513667371121 - 2²³ = 513658982513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513667371821) 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, 6232246 + ... + 6314128.

It is an arithmetic number, because the mean of its divisors is an integer number (34109271504).

Almost surely, 2^513667371121 is an apocalyptic number.

It is an amenable number.

513667371121 is a deficient number, since it is larger than the sum of its proper divisors (32080972943).

513667371121 is a wasteful number, since it uses less digits than its factorization.

513667371121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83160.

The product of its digits is 158760, while the sum is 43.

The spelling of 513667371121 in words is "five hundred thirteen billion, six hundred sixty-seven million, three hundred seventy-one thousand, one hundred twenty-one".