117249257225 has 6 divisors (see below), whose sum is σ = 145389078990. Its totient is φ = 93799405760.

The previous prime is 117249257207. The next prime is 117249257243. The reversal of 117249257225 is 522752942711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117249257207) and next prime (117249257243).

It can be written as a sum of positive squares in 3 ways, for example, as 15319755529 + 101929501696 = 123773^2 + 319264^2 .

It is not a de Polignac number, because 117249257225 - 2¹² = 117249253129 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117249257225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2344985120 + ... + 2344985169.

It is an arithmetic number, because the mean of its divisors is an integer number (24231513165).

Almost surely, 2^117249257225 is an apocalyptic number.

It is an amenable number.

117249257225 is a deficient number, since it is larger than the sum of its proper divisors (28139821765).

117249257225 is an equidigital number, since it uses as much as digits as its factorization.

117249257225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689970299 (or 4689970294 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The spelling of 117249257225 in words is "one hundred seventeen billion, two hundred forty-nine million, two hundred fifty-seven thousand, two hundred twenty-five".