61081114848 has 48 divisors (see below), whose sum is σ = 172671616656. Its totient is φ = 18794188800.

The previous prime is 61081114819. The next prime is 61081114867. The reversal of 61081114848 is 84841118016.

It is a tau number, because it is divible by the number of its divisors (48).

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, 24470353 + ... + 24472848.

It is an arithmetic number, because the mean of its divisors is an integer number (3597325347).

Almost surely, 2^61081114848 is an apocalyptic number.

It is an amenable number.

61081114848 is an abundant number, since it is smaller than the sum of its proper divisors (111590501808).

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

61081114848 is a wasteful number, since it uses less digits than its factorization.

61081114848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48943227 (or 48943219 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 42.

The spelling of 61081114848 in words is "sixty-one billion, eighty-one million, one hundred fourteen thousand, eight hundred forty-eight".