7256155117 has 2 divisors, whose sum is σ = 7256155118. Its totient is φ = 7256155116.

The previous prime is 7256155087. The next prime is 7256155147. The reversal of 7256155117 is 7115516527.

It is a balanced prime because it is at equal distance from previous prime (7256155087) and next prime (7256155147).

It can be written as a sum of positive squares in only one way, i.e., 4299949476 + 2956205641 = 65574^2 + 54371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7256155117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7256155117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7256155147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628077558 + 3628077559.

It is an arithmetic number, because the mean of its divisors is an integer number (3628077559).

Almost surely, 2^7256155117 is an apocalyptic number.

It is an amenable number.

7256155117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7256155117 is an equidigital number, since it uses as much as digits as its factorization.

7256155117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73500, while the sum is 40.

The square root of 7256155117 is about 85183.0682530278. The cubic root of 7256155117 is about 1935.9858825959.

The spelling of 7256155117 in words is "seven billion, two hundred fifty-six million, one hundred fifty-five thousand, one hundred seventeen".