61105061055 has 32 divisors (see below), whose sum is σ = 107388311040. Its totient is φ = 29531779200.

The previous prime is 61105061053. The next prime is 61105061077. The reversal of 61105061055 is 55016050116.

It is not a de Polignac number, because 61105061055 - 2¹ = 61105061053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61105061053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4654396 + ... + 4667505.

It is an arithmetic number, because the mean of its divisors is an integer number (3355884720).

Almost surely, 2^61105061055 is an apocalyptic number.

61105061055 is a deficient number, since it is larger than the sum of its proper divisors (46283249985).

61105061055 is a wasteful number, since it uses less digits than its factorization.

61105061055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321951.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 61105061055 in words is "sixty-one billion, one hundred five million, sixty-one thousand, fifty-five".