61108243064 has 32 divisors (see below), whose sum is σ = 125025897600. Its totient is φ = 27769415520.

The previous prime is 61108243037. The next prime is 61108243081. The reversal of 61108243064 is 46034280116.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 268157 + ... + 440595.

It is an arithmetic number, because the mean of its divisors is an integer number (3907059300).

Almost surely, 2^61108243064 is an apocalyptic number.

It is an amenable number.

61108243064 is an abundant number, since it is smaller than the sum of its proper divisors (63917654536).

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

61108243064 is a wasteful number, since it uses less digits than its factorization.

61108243064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176483 (or 176479 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 61108243064 in words is "sixty-one billion, one hundred eight million, two hundred forty-three thousand, sixty-four".