61110000560555 has 4 divisors (see below), whose sum is σ = 73332000672672. Its totient is φ = 48888000448440.

The previous prime is 61110000560551. The next prime is 61110000560569. The reversal of 61110000560555 is 55506500001116.

61110000560555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61110000560555 - 2² = 61110000560551 is a prime.

It is a super-2 number, since 2×61110000560555² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61110000560551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6111000056051 + ... + 6111000056060.

It is an arithmetic number, because the mean of its divisors is an integer number (18333000168168).

Almost surely, 2^{61110000560555} is an apocalyptic number.

61110000560555 is a deficient number, since it is larger than the sum of its proper divisors (12222000112117).

61110000560555 is a wasteful number, since it uses less digits than its factorization.

61110000560555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222000112116.

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

The spelling of 61110000560555 in words is "sixty-one trillion, one hundred ten billion, five hundred sixty thousand, five hundred fifty-five".