61100560005 has 16 divisors (see below), whose sum is σ = 99840916224. Its totient is φ = 31893625280.

The previous prime is 61100559977. The next prime is 61100560009. The reversal of 61100560005 is 50006500116.

It is not a de Polignac number, because 61100560005 - 2⁶ = 61100559941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61100560009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43333026 + ... + 43334435.

It is an arithmetic number, because the mean of its divisors is an integer number (6240057264).

Almost surely, 2^61100560005 is an apocalyptic number.

It is an amenable number.

61100560005 is a deficient number, since it is larger than the sum of its proper divisors (38740356219).

61100560005 is a wasteful number, since it uses less digits than its factorization.

61100560005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86667516.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 61100560005 in words is "sixty-one billion, one hundred million, five hundred sixty thousand, five".