61513603265324 has 144 divisors (see below), whose sum is σ = 133802156920320. Its totient is φ = 24599019392640.

The previous prime is 61513603265287. The next prime is 61513603265339. The reversal of 61513603265324 is 42356230631516.

61513603265324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 2210876477 + ... + 2210904299.

It is an arithmetic number, because the mean of its divisors is an integer number (929181645280).

Almost surely, 2^{61513603265324} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61513603265324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66901078460160).

61513603265324 is an abundant number, since it is smaller than the sum of its proper divisors (72288553654996).

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

61513603265324 is a wasteful number, since it uses less digits than its factorization.

61513603265324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36788 (or 36779 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 61513603265324 in words is "sixty-one trillion, five hundred thirteen billion, six hundred three million, two hundred sixty-five thousand, three hundred twenty-four".