7255117133 has 8 divisors (see below), whose sum is σ = 8048820960. Its totient is φ = 6483771280.

The previous prime is 7255117127. The next prime is 7255117141. The reversal of 7255117133 is 3317115527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7255117133 - 2⁶ = 7255117069 is a prime.

It is a super-2 number, since 2×7255117133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7255117093 and 7255117102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7255117433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5588810 + ... + 5590107.

It is an arithmetic number, because the mean of its divisors is an integer number (1006102620).

Almost surely, 2^7255117133 is an apocalyptic number.

It is an amenable number.

7255117133 is a deficient number, since it is larger than the sum of its proper divisors (793703827).

7255117133 is a wasteful number, since it uses less digits than its factorization.

7255117133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11178987.

The product of its digits is 22050, while the sum is 35.

The square root of 7255117133 is about 85176.9753689341. The cubic root of 7255117133 is about 1935.8935647331.

The spelling of 7255117133 in words is "seven billion, two hundred fifty-five million, one hundred seventeen thousand, one hundred thirty-three".