1234552554321 has 4 divisors (see below), whose sum is σ = 1646070072432. Its totient is φ = 823035036212.

The previous prime is 1234552554289. The next prime is 1234552554331.

1234552554321 is nontrivially palindromic in base 10.

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 1234552554321 - 2⁵ = 1234552554289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1234552554331) 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, 205758759051 + ... + 205758759056.

It is an arithmetic number, because the mean of its divisors is an integer number (411517518108).

Almost surely, 2^{1234552554321} is an apocalyptic number.

It is an amenable number.

1234552554321 is a deficient number, since it is larger than the sum of its proper divisors (411517518111).

1234552554321 is an equidigital number, since it uses as much as digits as its factorization.

1234552554321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411517518110.

The product of its digits is 720000, while the sum is 42.

The spelling of 1234552554321 in words is "one trillion, two hundred thirty-four billion, five hundred fifty-two million, five hundred fifty-four thousand, three hundred twenty-one".