61105083968 has 56 divisors (see below), whose sum is σ = 130492935864. Its totient is φ = 28283904000.

The previous prime is 61105083961. The next prime is 61105083983. The reversal of 61105083968 is 86938050116.

It can be written as a sum of positive squares in 4 ways, for example, as 4666529344 + 56438554624 = 68312^2 + 237568^2 .

It is not an unprimeable number, because it can be changed into a prime (61105083961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393983 + ... + 526718.

Almost surely, 2^61105083968 is an apocalyptic number.

61105083968 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61105083968 is an abundant number, since it is smaller than the sum of its proper divisors (69387851896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61105083968 is a wasteful number, since it uses less digits than its factorization.

61105083968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920791 (or 920781 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 61105083968 in words is "sixty-one billion, one hundred five million, eighty-three thousand, nine hundred sixty-eight".