61110055655 has 16 divisors (see below), whose sum is σ = 81859054464. Its totient is φ = 43410101280.

The previous prime is 61110055637. The next prime is 61110055667. The reversal of 61110055655 is 55655001116.

It is a de Polignac number, because none of the positive numbers 2^k-61110055655 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12917309 + ... + 12922038.

It is an arithmetic number, because the mean of its divisors is an integer number (5116190904).

Almost surely, 2^61110055655 is an apocalyptic number.

61110055655 is a deficient number, since it is larger than the sum of its proper divisors (20748998809).

61110055655 is a wasteful number, since it uses less digits than its factorization.

61110055655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25839406.

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

The spelling of 61110055655 in words is "sixty-one billion, one hundred ten million, fifty-five thousand, six hundred fifty-five".