61100560006 has 4 divisors (see below), whose sum is σ = 91650840012. Its totient is φ = 30550280002.

The previous prime is 61100559977. The next prime is 61100560009. The reversal of 61100560006 is 60006500116.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 15275140000 + ... + 15275140003.

It is an arithmetic number, because the mean of its divisors is an integer number (22912710003).

Almost surely, 2^61100560006 is an apocalyptic number.

61100560006 is a deficient number, since it is larger than the sum of its proper divisors (30550280006).

61100560006 is a wasteful number, since it uses less digits than its factorization.

61100560006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30550280005.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 61100560006 in words is "sixty-one billion, one hundred million, five hundred sixty thousand, six".