7055521000247 has 2 divisors, whose sum is σ = 7055521000248. Its totient is φ = 7055521000246.

The previous prime is 7055521000193. The next prime is 7055521000271. The reversal of 7055521000247 is 7420001255507.

It is a strong prime.

It is an emirp because it is prime and its reverse (7420001255507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7055521000247 - 2⁸ = 7055520999991 is a prime.

It is a super-2 number, since 2×7055521000247² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7055521000247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7055521030247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3527760500123 + 3527760500124.

It is an arithmetic number, because the mean of its divisors is an integer number (3527760500124).

Almost surely, 2^{7055521000247} is an apocalyptic number.

7055521000247 is a deficient number, since it is larger than the sum of its proper divisors (1).

7055521000247 is an equidigital number, since it uses as much as digits as its factorization.

7055521000247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98000, while the sum is 38.

The spelling of 7055521000247 in words is "seven trillion, fifty-five billion, five hundred twenty-one million, two hundred forty-seven", and thus it is an aban number.