61055560115 has 8 divisors (see below), whose sum is σ = 79927278768. Its totient is φ = 44404043680.

The previous prime is 61055560109. The next prime is 61055560213. The reversal of 61055560115 is 51106555016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61055560115 - 2²² = 61051365811 is a prime.

It is a Duffinian number.

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, 555050492 + ... + 555050601.

It is an arithmetic number, because the mean of its divisors is an integer number (9990909846).

Almost surely, 2^61055560115 is an apocalyptic number.

61055560115 is a deficient number, since it is larger than the sum of its proper divisors (18871718653).

61055560115 is a wasteful number, since it uses less digits than its factorization.

61055560115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110101109.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 61055560115 in words is "sixty-one billion, fifty-five million, five hundred sixty thousand, one hundred fifteen".