611105000005 has 4 divisors (see below), whose sum is σ = 733326000012. Its totient is φ = 488884000000.

The previous prime is 611104999993. The next prime is 611105000039. The reversal of 611105000005 is 500000501116.

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 214226419716 + 396878580289 = 462846^2 + 629983^2 .

It is not a de Polignac number, because 611105000005 - 2²¹ = 611102902853 is a prime.

It is a super-2 number, since 2×611105000005² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61110499996 + ... + 61110500005.

It is an arithmetic number, because the mean of its divisors is an integer number (183331500003).

Almost surely, 2^611105000005 is an apocalyptic number.

It is an amenable number.

611105000005 is a deficient number, since it is larger than the sum of its proper divisors (122221000007).

611105000005 is a wasteful number, since it uses less digits than its factorization.

611105000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122221000006.

The product of its (nonzero) digits is 150, while the sum is 19.

The spelling of 611105000005 in words is "six hundred eleven billion, one hundred five million, five", and thus it is an aban number.