725538539751 has 16 divisors (see below), whose sum is σ = 995188992000. Its totient is φ = 469833874848.

The previous prime is 725538539741. The next prime is 725538539807. The reversal of 725538539751 is 157935835527.

It is not a de Polignac number, because 725538539751 - 2¹⁰ = 725538538727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725538539731) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5389591 + ... + 5522568.

It is an arithmetic number, because the mean of its divisors is an integer number (62199312000).

Almost surely, 2^725538539751 is an apocalyptic number.

725538539751 is a deficient number, since it is larger than the sum of its proper divisors (269650452249).

725538539751 is a wasteful number, since it uses less digits than its factorization.

725538539751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10912798.

The product of its digits is 39690000, while the sum is 60.

The spelling of 725538539751 in words is "seven hundred twenty-five billion, five hundred thirty-eight million, five hundred thirty-nine thousand, seven hundred fifty-one".