606500005121 has 4 divisors (see below), whose sum is σ = 606611479044. Its totient is φ = 606388531200.

The previous prime is 606500005109. The next prime is 606500005123. The reversal of 606500005121 is 121500005606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 433411555600 + 173088449521 = 658340^2 + 416039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606500005121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606500005123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55728800 + ... + 55739681.

It is an arithmetic number, because the mean of its divisors is an integer number (151652869761).

Almost surely, 2^606500005121 is an apocalyptic number.

It is an amenable number.

606500005121 is a deficient number, since it is larger than the sum of its proper divisors (111473923).

606500005121 is a wasteful number, since it uses less digits than its factorization.

606500005121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111473922.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 606500005121 in words is "six hundred six billion, five hundred million, five thousand, one hundred twenty-one".