61004645144304 has 40 divisors (see below), whose sum is σ = 157606670360832. Its totient is φ = 20333418866880.

The previous prime is 61004645144281. The next prime is 61004645144323. The reversal of 61004645144304 is 40344154640016.

It is a happy number.

61004645144304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45039702 + ... + 46374389.

Almost surely, 2^{61004645144304} is an apocalyptic number.

It is an amenable number.

61004645144304 is an abundant number, since it is smaller than the sum of its proper divisors (96602025216528).

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

61004645144304 is a wasteful number, since it uses less digits than its factorization.

61004645144304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91428005 (or 91427999 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 61004645144304 in words is "sixty-one trillion, four billion, six hundred forty-five million, one hundred forty-four thousand, three hundred four".