61505560106 has 16 divisors (see below), whose sum is σ = 95873587200. Its totient is φ = 29561013840.

The previous prime is 61505560097. The next prime is 61505560121. The reversal of 61505560106 is 60106550516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3319706 + ... + 3338181.

It is an arithmetic number, because the mean of its divisors is an integer number (5992099200).

Almost surely, 2^61505560106 is an apocalyptic number.

61505560106 is a deficient number, since it is larger than the sum of its proper divisors (34368027094).

61505560106 is a wasteful number, since it uses less digits than its factorization.

61505560106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658069.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 61505560106 in words is "sixty-one billion, five hundred five million, five hundred sixty thousand, one hundred six".