225057660255557 has 4 divisors (see below), whose sum is σ = 225057719261760. Its totient is φ = 225057601249356.

The previous prime is 225057660255553. The next prime is 225057660255587. The reversal of 225057660255557 is 755552066750522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225057660255557 - 2² = 225057660255553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225057660255557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225057660255553) 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 3 ways as a sum of consecutive naturals, for example, 23354807 + ... + 31552532.

It is an arithmetic number, because the mean of its divisors is an integer number (56264429815440).

Almost surely, 2^{225057660255557} is an apocalyptic number.

It is an amenable number.

225057660255557 is a deficient number, since it is larger than the sum of its proper divisors (59006203).

225057660255557 is an equidigital number, since it uses as much as digits as its factorization.

225057660255557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59006202.

The product of its (nonzero) digits is 220500000, while the sum is 62.

The spelling of 225057660255557 in words is "two hundred twenty-five trillion, fifty-seven billion, six hundred sixty million, two hundred fifty-five thousand, five hundred fifty-seven".