61599325280 has 24 divisors (see below), whose sum is σ = 145528406352. Its totient is φ = 24639730048.

The previous prime is 61599325261. The next prime is 61599325429. The reversal of 61599325280 is 8252399516.

61599325280 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192497732 + ... + 192498051.

It is an arithmetic number, because the mean of its divisors is an integer number (6063683598).

Almost surely, 2^61599325280 is an apocalyptic number.

It is an amenable number.

61599325280 is an abundant number, since it is smaller than the sum of its proper divisors (83929081072).

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

61599325280 is a wasteful number, since it uses less digits than its factorization.

61599325280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384995798 (or 384995790 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 61599325280 in words is "sixty-one billion, five hundred ninety-nine million, three hundred twenty-five thousand, two hundred eighty".