7055521000243 has 4 divisors (see below), whose sum is σ = 7055573171920. Its totient is φ = 7055468828568.

The previous prime is 7055521000193. The next prime is 7055521000247. The reversal of 7055521000243 is 3420001255507.

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-7055521000243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7055521000199 and 7055521000208.

It is not an unprimeable number, because it can be changed into a prime (7055521000247) 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, 25882455 + ... + 26153632.

It is an arithmetic number, because the mean of its divisors is an integer number (1763893292980).

Almost surely, 2^{7055521000243} is an apocalyptic number.

7055521000243 is a deficient number, since it is larger than the sum of its proper divisors (52171677).

7055521000243 is a wasteful number, since it uses less digits than its factorization.

7055521000243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52171676.

The product of its (nonzero) digits is 42000, while the sum is 34.

The spelling of 7055521000243 in words is "seven trillion, fifty-five billion, five hundred twenty-one million, two hundred forty-three", and thus it is an aban number.