4251205504553 has 8 divisors (see below), whose sum is σ = 4989831943872. Its totient is φ = 3545406907056.

The previous prime is 4251205504549. The next prime is 4251205504639. The reversal of 4251205504553 is 3554055021524.

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

It is not a de Polignac number, because 4251205504553 - 2² = 4251205504549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4251205504553.

It is not an unprimeable number, because it can be changed into a prime (4251205504523) 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 7 ways as a sum of consecutive naturals, for example, 8206960175 + ... + 8206960692.

It is an arithmetic number, because the mean of its divisors is an integer number (623728992984).

Almost surely, 2^{4251205504553} is an apocalyptic number.

It is an amenable number.

4251205504553 is a deficient number, since it is larger than the sum of its proper divisors (738626439319).

4251205504553 is a wasteful number, since it uses less digits than its factorization.

4251205504553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413920911.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 4251205504553 in words is "four trillion, two hundred fifty-one billion, two hundred five million, five hundred four thousand, five hundred fifty-three".