7256555101 has 2 divisors, whose sum is σ = 7256555102. Its totient is φ = 7256555100.

The previous prime is 7256555093. The next prime is 7256555129. The reversal of 7256555101 is 1015556527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6634102500 + 622452601 = 81450^2 + 24949^2 .

It is an emirp because it is prime and its reverse (1015556527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7256555101 - 2³ = 7256555093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7256555401) 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 as a sum of consecutive naturals, namely, 3628277550 + 3628277551.

It is an arithmetic number, because the mean of its divisors is an integer number (3628277551).

Almost surely, 2^7256555101 is an apocalyptic number.

It is an amenable number.

7256555101 is a deficient number, since it is larger than the sum of its proper divisors (1).

7256555101 is an equidigital number, since it uses as much as digits as its factorization.

7256555101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 37.

The square root of 7256555101 is about 85185.4160111929. The cubic root of 7256555101 is about 1936.0214546556.

The spelling of 7256555101 in words is "seven billion, two hundred fifty-six million, five hundred fifty-five thousand, one hundred one".