725536211161944 has 256 divisors, whose sum is σ = 2261144309760000. Its totient is φ = 188889049889280.

The previous prime is 725536211161933. The next prime is 725536211161969. The reversal of 725536211161944 is 449161112635527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 839991207 + ... + 840854505.

It is an arithmetic number, because the mean of its divisors is an integer number (8832594960000).

Almost surely, 2^{725536211161944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725536211161944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130572154880000).

725536211161944 is an abundant number, since it is smaller than the sum of its proper divisors (1535608098598056).

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

725536211161944 is a wasteful number, since it uses less digits than its factorization.

725536211161944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868278 (or 868274 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 57.

The spelling of 725536211161944 in words is "seven hundred twenty-five trillion, five hundred thirty-six billion, two hundred eleven million, one hundred sixty-one thousand, nine hundred forty-four".