61030880648 has 32 divisors (see below), whose sum is σ = 115960896000. Its totient is φ = 30109411200.

The previous prime is 61030880641. The next prime is 61030880663. The reversal of 61030880648 is 84608803016.

61030880648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61030880599 and 61030880608.

It is not an unprimeable number, because it can be changed into a prime (61030880641) 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, 251573 + ... + 430523.

It is an arithmetic number, because the mean of its divisors is an integer number (3623778000).

Almost surely, 2^61030880648 is an apocalyptic number.

It is an amenable number.

61030880648 is a deficient number, since it is larger than the sum of its proper divisors (54930015352).

61030880648 is a wasteful number, since it uses less digits than its factorization.

61030880648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179525 (or 179521 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 61030880648 in words is "sixty-one billion, thirty million, eight hundred eighty thousand, six hundred forty-eight".