610000505505 has 32 divisors (see below), whose sum is σ = 1086654107520. Its totient is φ = 324670973760.

The previous prime is 610000505501. The next prime is 610000505537. The reversal of 610000505505 is 505505000016.

610000505505 is a `hidden beast` number, since 6 + 100 + 0 + 0 + 5 + 0 + 550 + 5 = 666.

It is not a de Polignac number, because 610000505505 - 2² = 610000505501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (610000505501) 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 in 31 ways as a sum of consecutive naturals, for example, 4535062 + ... + 4667631.

It is an arithmetic number, because the mean of its divisors is an integer number (33957940860).

Almost surely, 2^610000505505 is an apocalyptic number.

It is an amenable number.

610000505505 is a deficient number, since it is larger than the sum of its proper divisors (476653602015).

610000505505 is a wasteful number, since it uses less digits than its factorization.

610000505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203198 (or 9203192 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 610000505505 in words is "six hundred ten billion, five hundred five thousand, five hundred five".