61126817705 has 16 divisors (see below), whose sum is σ = 73480478400. Its totient is φ = 48815991360.

The previous prime is 61126817677. The next prime is 61126817707. The reversal of 61126817705 is 50771862116.

It is not a de Polignac number, because 61126817705 - 2²⁶ = 61059708841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61126817707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15321851 + ... + 15325839.

It is an arithmetic number, because the mean of its divisors is an integer number (4592529900).

Almost surely, 2^61126817705 is an apocalyptic number.

It is an amenable number.

61126817705 is a deficient number, since it is larger than the sum of its proper divisors (12353660695).

61126817705 is a wasteful number, since it uses less digits than its factorization.

61126817705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8584.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 61126817705 in words is "sixty-one billion, one hundred twenty-six million, eight hundred seventeen thousand, seven hundred five".