61353125420 has 24 divisors (see below), whose sum is σ = 131272538544. Its totient is φ = 24078207296.

The previous prime is 61353125381. The next prime is 61353125527. The reversal of 61353125420 is 2452135316.

It is a happy number.

61353125420 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28939094 + ... + 28941213.

It is an arithmetic number, because the mean of its divisors is an integer number (5469689106).

Almost surely, 2^61353125420 is an apocalyptic number.

It is an amenable number.

61353125420 is an abundant number, since it is smaller than the sum of its proper divisors (69919413124).

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

61353125420 is a wasteful number, since it uses less digits than its factorization.

61353125420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57880369 (or 57880367 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 61353125420 in words is "sixty-one billion, three hundred fifty-three million, one hundred twenty-five thousand, four hundred twenty".