61241775055 has 16 divisors (see below), whose sum is σ = 73595289600. Its totient is φ = 48923373600.

The previous prime is 61241775053. The next prime is 61241775059. The reversal of 61241775055 is 55057714216.

It is not a de Polignac number, because 61241775055 - 2¹ = 61241775053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61241775053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18230466 + ... + 18233824.

It is an arithmetic number, because the mean of its divisors is an integer number (4599705600).

Almost surely, 2^61241775055 is an apocalyptic number.

61241775055 is a deficient number, since it is larger than the sum of its proper divisors (12353514545).

61241775055 is a wasteful number, since it uses less digits than its factorization.

61241775055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494.

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 61241775055 in words is "sixty-one billion, two hundred forty-one million, seven hundred seventy-five thousand, fifty-five".