681456341125 has 32 divisors (see below), whose sum is σ = 1029125081088. Its totient is φ = 439797024000.

The previous prime is 681456341119. The next prime is 681456341213. The reversal of 681456341125 is 521143654186.

681456341125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 681456341125 - 2³ = 681456341117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22891221 + ... + 22920970.

It is an arithmetic number, because the mean of its divisors is an integer number (32160158784).

Almost surely, 2^681456341125 is an apocalyptic number.

It is an amenable number.

681456341125 is a deficient number, since it is larger than the sum of its proper divisors (347668739963).

681456341125 is a wasteful number, since it uses less digits than its factorization.

681456341125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45812230 (or 45812220 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The spelling of 681456341125 in words is "six hundred eighty-one billion, four hundred fifty-six million, three hundred forty-one thousand, one hundred twenty-five".