61055505005 has 16 divisors (see below), whose sum is σ = 79935125184. Its totient is φ = 44399604480.

The previous prime is 61055505001. The next prime is 61055505029. The reversal of 61055505005 is 50050555016.

61055505005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61055505005 - 2² = 61055505001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61055505001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568997 + ... + 667733.

It is an arithmetic number, because the mean of its divisors is an integer number (4995945324).

Almost surely, 2^61055505005 is an apocalyptic number.

It is an amenable number.

61055505005 is a deficient number, since it is larger than the sum of its proper divisors (18879620179).

61055505005 is a wasteful number, since it uses less digits than its factorization.

61055505005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109996.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 61055505005 in words is "sixty-one billion, fifty-five million, five hundred five thousand, five".