4551004245551 has 4 divisors (see below), whose sum is σ = 4551844074600. Its totient is φ = 4550164416504.

The previous prime is 4551004245539. The next prime is 4551004245583. The reversal of 4551004245551 is 1555424001554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4551004245551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4551004245499 and 4551004245508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551004245521) 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, 419906396 + ... + 419917233.

It is an arithmetic number, because the mean of its divisors is an integer number (1137961018650).

Almost surely, 2^{4551004245551} is an apocalyptic number.

4551004245551 is a deficient number, since it is larger than the sum of its proper divisors (839829049).

4551004245551 is an equidigital number, since it uses as much as digits as its factorization.

4551004245551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839829048.

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 4551004245551 in words is "four trillion, five hundred fifty-one billion, four million, two hundred forty-five thousand, five hundred fifty-one".