725919316705 has 16 divisors (see below), whose sum is σ = 959012683200. Its totient is φ = 523097818560.

The previous prime is 725919316679. The next prime is 725919316723. The reversal of 725919316705 is 507613919527.

It is not a de Polignac number, because 725919316705 - 2⁹ = 725919316193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60537735 + ... + 60549724.

It is an arithmetic number, because the mean of its divisors is an integer number (59938292700).

Almost surely, 2^725919316705 is an apocalyptic number.

It is an amenable number.

725919316705 is a deficient number, since it is larger than the sum of its proper divisors (233093366495).

725919316705 is a wasteful number, since it uses less digits than its factorization.

725919316705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121087584.

The product of its (nonzero) digits is 3572100, while the sum is 55.

The spelling of 725919316705 in words is "seven hundred twenty-five billion, nine hundred nineteen million, three hundred sixteen thousand, seven hundred five".