610106010505 has 4 divisors (see below), whose sum is σ = 732127212612. Its totient is φ = 488084808400.

The previous prime is 610106010491. The next prime is 610106010517. The reversal of 610106010505 is 505010601016.

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 310564342089 + 299541668416 = 557283^2 + 547304^2 .

It is not a de Polignac number, because 610106010505 - 2⁵ = 610106010473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 610106010505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61010601046 + ... + 61010601055.

It is an arithmetic number, because the mean of its divisors is an integer number (183031803153).

Almost surely, 2^610106010505 is an apocalyptic number.

It is an amenable number.

610106010505 is a deficient number, since it is larger than the sum of its proper divisors (122021202107).

610106010505 is a wasteful number, since it uses less digits than its factorization.

610106010505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122021202106.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 610106010505 in words is "six hundred ten billion, one hundred six million, ten thousand, five hundred five".