225251355551 has 8 divisors (see below), whose sum is σ = 230051240640. Its totient is φ = 220451774848.

The previous prime is 225251355547. The next prime is 225251355559. The reversal of 225251355551 is 155553152522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225251355551 - 2² = 225251355547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225251355499 and 225251355508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225251355559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039435 + ... + 2147043.

It is an arithmetic number, because the mean of its divisors is an integer number (28756405080).

Almost surely, 2^225251355551 is an apocalyptic number.

225251355551 is a deficient number, since it is larger than the sum of its proper divisors (4799885089).

225251355551 is a wasteful number, since it uses less digits than its factorization.

225251355551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152193.

The product of its digits is 375000, while the sum is 41.

The spelling of 225251355551 in words is "two hundred twenty-five billion, two hundred fifty-one million, three hundred fifty-five thousand, five hundred fifty-one".