61060505705541 has 6 divisors (see below), whose sum is σ = 88198508241350. Its totient is φ = 40707003803688.

The previous prime is 61060505705509. The next prime is 61060505705557. The reversal of 61060505705541 is 14550750506016.

It is a happy number.

61060505705541 is a `hidden beast` number, since 6 + 1 + 0 + 6 + 0 + 50 + 57 + 0 + 5 + 541 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59929428788100 + 1131076917441 = 7741410^2 + 1063521^2 .

It is not a de Polignac number, because 61060505705541 - 2⁵ = 61060505705509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61060505705581) 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 5 ways as a sum of consecutive naturals, for example, 3392250316966 + ... + 3392250316983.

Almost surely, 2^{61060505705541} is an apocalyptic number.

It is an amenable number.

61060505705541 is a deficient number, since it is larger than the sum of its proper divisors (27138002535809).

61060505705541 is a wasteful number, since it uses less digits than its factorization.

61060505705541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784500633955 (or 6784500633952 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The spelling of 61060505705541 in words is "sixty-one trillion, sixty billion, five hundred five million, seven hundred five thousand, five hundred forty-one".