61000506005055 has 8 divisors (see below), whose sum is σ = 97600809608112. Its totient is φ = 32533603202688.

The previous prime is 61000506005051. The next prime is 61000506005083. The reversal of 61000506005055 is 55050060500016.

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

It is not a de Polignac number, because 61000506005055 - 2² = 61000506005051 is a prime.

It is a super-2 number, since 2×61000506005055² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61000506005051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2033350200154 + ... + 2033350200183.

It is an arithmetic number, because the mean of its divisors is an integer number (12200101201014).

Almost surely, 2^{61000506005055} is an apocalyptic number.

61000506005055 is a deficient number, since it is larger than the sum of its proper divisors (36600303603057).

61000506005055 is a wasteful number, since it uses less digits than its factorization.

61000506005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066700400345.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 61000506005055 in words is "sixty-one trillion, five hundred six million, five thousand, fifty-five".