7117242553 has 6 divisors (see below), whose sum is σ = 7371128414. Its totient is φ = 6871819584.

The previous prime is 7117242551. The next prime is 7117242557. The reversal of 7117242553 is 3552427117.

It can be written as a sum of positive squares in 3 ways, for example, as 1100447929 + 6016794624 = 33173^2 + 77568^2 .

It is not a de Polignac number, because 7117242553 - 2¹ = 7117242551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7117242551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4230576 + ... + 4232257.

Almost surely, 2^7117242553 is an apocalyptic number.

It is an amenable number.

7117242553 is a deficient number, since it is larger than the sum of its proper divisors (253885861).

7117242553 is an equidigital number, since it uses as much as digits as its factorization.

7117242553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462891 (or 8462862 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 7117242553 is about 84363.7514161147. The cubic root of 7117242553 is about 1923.5519601420.

The spelling of 7117242553 in words is "seven billion, one hundred seventeen million, two hundred forty-two thousand, five hundred fifty-three".