4404135225551 has 4 divisors (see below), whose sum is σ = 4404246147600. Its totient is φ = 4404024303504.

The previous prime is 4404135225547. The next prime is 4404135225583. The reversal of 4404135225551 is 1555225314044.

It is a happy number.

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 4404135225551 - 2² = 4404135225547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4404135225499 and 4404135225508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404135225251) 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, 55401446 + ... + 55480883.

It is an arithmetic number, because the mean of its divisors is an integer number (1101061536900).

Almost surely, 2^{4404135225551} is an apocalyptic number.

4404135225551 is a deficient number, since it is larger than the sum of its proper divisors (110922049).

4404135225551 is a wasteful number, since it uses less digits than its factorization.

4404135225551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110922048.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 4404135225551 in words is "four trillion, four hundred four billion, one hundred thirty-five million, two hundred twenty-five thousand, five hundred fifty-one".