7455575117 has 2 divisors, whose sum is σ = 7455575118. Its totient is φ = 7455575116.

The previous prime is 7455575089. The next prime is 7455575119. The reversal of 7455575117 is 7115755547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7213274761 + 242300356 = 84931^2 + 15566^2 .

It is an emirp because it is prime and its reverse (7115755547) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7455575117 is a prime.

Together with 7455575119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7455575119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3727787558 + 3727787559.

It is an arithmetic number, because the mean of its divisors is an integer number (3727787559).

Almost surely, 2^7455575117 is an apocalyptic number.

It is an amenable number.

7455575117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7455575117 is an equidigital number, since it uses as much as digits as its factorization.

7455575117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857500, while the sum is 47.

The square root of 7455575117 is about 86345.6722540279. The cubic root of 7455575117 is about 1953.5613303397.

The spelling of 7455575117 in words is "seven billion, four hundred fifty-five million, five hundred seventy-five thousand, one hundred seventeen".