61061711705 has 16 divisors (see below), whose sum is σ = 73648243200. Its totient is φ = 48600183168.

The previous prime is 61061711693. The next prime is 61061711707. The reversal of 61061711705 is 50711716016.

It is a cyclic number.

It is not a de Polignac number, because 61061711705 - 2⁸ = 61061711449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61061711707) 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, 1878269 + ... + 1910501.

It is an arithmetic number, because the mean of its divisors is an integer number (4603015200).

Almost surely, 2^61061711705 is an apocalyptic number.

It is an amenable number.

61061711705 is a deficient number, since it is larger than the sum of its proper divisors (12586531495).

61061711705 is a wasteful number, since it uses less digits than its factorization.

61061711705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34160.

The product of its (nonzero) digits is 8820, while the sum is 35.

The spelling of 61061711705 in words is "sixty-one billion, sixty-one million, seven hundred eleven thousand, seven hundred five".