225557867505725 has 12 divisors (see below), whose sum is σ = 279750037113600. Its totient is φ = 180408693097200.

The previous prime is 225557867505671. The next prime is 225557867505757. The reversal of 225557867505725 is 527505768755522.

It is a happy number.

It is not a de Polignac number, because 225557867505725 - 2¹⁸ = 225557867243581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939900311 + ... + 940140260.

It is an arithmetic number, because the mean of its divisors is an integer number (23312503092800).

Almost surely, 2^{225557867505725} is an apocalyptic number.

225557867505725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225557867505725 is a deficient number, since it is larger than the sum of its proper divisors (54192169607875).

225557867505725 is a wasteful number, since it uses less digits than its factorization.

225557867505725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880045380 (or 1880045375 counting only the distinct ones).

The product of its (nonzero) digits is 2058000000, while the sum is 71.

The spelling of 225557867505725 in words is "two hundred twenty-five trillion, five hundred fifty-seven billion, eight hundred sixty-seven million, five hundred five thousand, seven hundred twenty-five".