2551223065353 has 4 divisors (see below), whose sum is σ = 3401630753808. Its totient is φ = 1700815376900.

The previous prime is 2551223065351. The next prime is 2551223065367. The reversal of 2551223065353 is 3535603221552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2551223065353 - 2¹ = 2551223065351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551223065351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425203844223 + ... + 425203844228.

It is an arithmetic number, because the mean of its divisors is an integer number (850407688452).

Almost surely, 2^{2551223065353} is an apocalyptic number.

It is an amenable number.

2551223065353 is a deficient number, since it is larger than the sum of its proper divisors (850407688455).

2551223065353 is an equidigital number, since it uses as much as digits as its factorization.

2551223065353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850407688454.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 2551223065353 in words is "two trillion, five hundred fifty-one billion, two hundred twenty-three million, sixty-five thousand, three hundred fifty-three".