61105768708 has 12 divisors (see below), whose sum is σ = 107017298892. Its totient is φ = 30529397600.

The previous prime is 61105768687. The next prime is 61105768721. The reversal of 61105768708 is 80786750116.

It can be written as a sum of positive squares in 2 ways, for example, as 462766144 + 60643002564 = 21512^2 + 246258^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5865835 + ... + 5876242.

It is an arithmetic number, because the mean of its divisors is an integer number (8918108241).

Almost surely, 2^61105768708 is an apocalyptic number.

It is an amenable number.

61105768708 is a deficient number, since it is larger than the sum of its proper divisors (45911530184).

61105768708 is a wasteful number, since it uses less digits than its factorization.

61105768708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11743382 (or 11743380 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 61105768708 in words is "sixty-one billion, one hundred five million, seven hundred sixty-eight thousand, seven hundred eight".