61106010606605 has 4 divisors (see below), whose sum is σ = 73327212727932. Its totient is φ = 48884808485280.

The previous prime is 61106010606587. The next prime is 61106010606611. The reversal of 61106010606605 is 50660601060116.

It is a happy number.

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 19045779037609 + 42060231568996 = 4364147^2 + 6485386^2 .

It is not a de Polignac number, because 61106010606605 - 2⁸ = 61106010606349 is a prime.

It is a Duffinian number.

It is a Curzon 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, 6110601060656 + ... + 6110601060665.

It is an arithmetic number, because the mean of its divisors is an integer number (18331803181983).

Almost surely, 2^{61106010606605} is an apocalyptic number.

It is an amenable number.

61106010606605 is a deficient number, since it is larger than the sum of its proper divisors (12221202121327).

61106010606605 is a wasteful number, since it uses less digits than its factorization.

61106010606605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12221202121326.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 61106010606605 in words is "sixty-one trillion, one hundred six billion, ten million, six hundred six thousand, six hundred five".