61105610005 has 16 divisors (see below), whose sum is σ = 80073589248. Its totient is φ = 44395560000.

The previous prime is 61105609963. The next prime is 61105610011. The reversal of 61105610005 is 50001650116.

It is not a de Polignac number, because 61105610005 - 2¹⁵ = 61105577237 is a prime.

It is a super-2 number, since 2×61105610005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 506046 + ... + 615055.

It is an arithmetic number, because the mean of its divisors is an integer number (5004599328).

Almost surely, 2^61105610005 is an apocalyptic number.

It is an amenable number.

61105610005 is a deficient number, since it is larger than the sum of its proper divisors (18967979243).

61105610005 is a wasteful number, since it uses less digits than its factorization.

61105610005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122108.

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

The spelling of 61105610005 in words is "sixty-one billion, one hundred five million, six hundred ten thousand, five".