225654202406551 has 4 divisors (see below), whose sum is σ = 225733574270952. Its totient is φ = 225574830542152.

The previous prime is 225654202406537. The next prime is 225654202406569. The reversal of 225654202406551 is 155604202456522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225654202406551 - 2¹⁷ = 225654202275479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225654202406495 and 225654202406504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225654202406051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39685927936 + ... + 39685933621.

It is an arithmetic number, because the mean of its divisors is an integer number (56433393567738).

Almost surely, 2^{225654202406551} is an apocalyptic number.

225654202406551 is a deficient number, since it is larger than the sum of its proper divisors (79371864401).

225654202406551 is an equidigital number, since it uses as much as digits as its factorization.

225654202406551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79371864400.

The product of its (nonzero) digits is 5760000, while the sum is 49.

The spelling of 225654202406551 in words is "two hundred twenty-five trillion, six hundred fifty-four billion, two hundred two million, four hundred six thousand, five hundred fifty-one".