61051105605 has 16 divisors (see below), whose sum is σ = 111636307584. Its totient is φ = 27909076800.

The previous prime is 61051105603. The next prime is 61051105657. The reversal of 61051105605 is 50650115016.

It is not a de Polignac number, because 61051105605 - 2¹ = 61051105603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61051105603) 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, 290719446 + ... + 290719655.

It is an arithmetic number, because the mean of its divisors is an integer number (6977269224).

Almost surely, 2^61051105605 is an apocalyptic number.

It is an amenable number.

61051105605 is a deficient number, since it is larger than the sum of its proper divisors (50585201979).

61051105605 is a wasteful number, since it uses less digits than its factorization.

61051105605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581439116.

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

The spelling of 61051105605 in words is "sixty-one billion, fifty-one million, one hundred five thousand, six hundred five".