725255552526 has 32 divisors (see below), whose sum is σ = 1459885265280. Its totient is φ = 240189776736.

The previous prime is 725255552519. The next prime is 725255552533. The reversal of 725255552526 is 625255552527.

It is an interprime number because it is at equal distance from previous prime (725255552519) and next prime (725255552533).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12460945 + ... + 12519011.

It is an arithmetic number, because the mean of its divisors is an integer number (45621414540).

Almost surely, 2^725255552526 is an apocalyptic number.

725255552526 is an abundant number, since it is smaller than the sum of its proper divisors (734629712754).

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

725255552526 is a wasteful number, since it uses less digits than its factorization.

725255552526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71488.

The product of its digits is 10500000, while the sum is 51.

Subtracting from 725255552526 its reverse (625255552527), we obtain a palindrome (99999999999).

The spelling of 725255552526 in words is "seven hundred twenty-five billion, two hundred fifty-five million, five hundred fifty-two thousand, five hundred twenty-six".