61576503314320 has 20 divisors (see below), whose sum is σ = 143165370205980. Its totient is φ = 24630601325696.

The previous prime is 61576503314317. The next prime is 61576503314357. The reversal of 61576503314320 is 2341330567516.

It can be written as a sum of positive squares in 2 ways, for example, as 44018023313664 + 17558480000656 = 6634608^2 + 4190284^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 384853145635 + ... + 384853145794.

It is an arithmetic number, because the mean of its divisors is an integer number (7158268510299).

Almost surely, 2^{61576503314320} is an apocalyptic number.

It is an amenable number.

61576503314320 is an abundant number, since it is smaller than the sum of its proper divisors (81588866891660).

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

61576503314320 is a wasteful number, since it uses less digits than its factorization.

61576503314320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769706291442 (or 769706291436 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 61576503314320 in words is "sixty-one trillion, five hundred seventy-six billion, five hundred three million, three hundred fourteen thousand, three hundred twenty".