725555161724142 has 16 divisors (see below), whose sum is σ = 1451112085198800. Its totient is φ = 241851426949632.

The previous prime is 725555161724131. The next prime is 725555161724149. The reversal of 725555161724142 is 241427161555527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725555161724149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68022003 + ... + 77962190.

It is an arithmetic number, because the mean of its divisors is an integer number (90694505324925).

Almost surely, 2^{725555161724142} is an apocalyptic number.

725555161724142 is an abundant number, since it is smaller than the sum of its proper divisors (725556923474658).

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

725555161724142 is a wasteful number, since it uses less digits than its factorization.

725555161724142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146812547.

The product of its digits is 23520000, while the sum is 57.

The spelling of 725555161724142 in words is "seven hundred twenty-five trillion, five hundred fifty-five billion, one hundred sixty-one million, seven hundred twenty-four thousand, one hundred forty-two".