11725663247 has 2 divisors, whose sum is σ = 11725663248. Its totient is φ = 11725663246.

The previous prime is 11725663241. The next prime is 11725663289. The reversal of 11725663247 is 74236652711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11725663247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11725663198 and 11725663207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11725663241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5862831623 + 5862831624.

It is an arithmetic number, because the mean of its divisors is an integer number (5862831624).

Almost surely, 2^11725663247 is an apocalyptic number.

11725663247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11725663247 is an equidigital number, since it uses as much as digits as its factorization.

11725663247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The spelling of 11725663247 in words is "eleven billion, seven hundred twenty-five million, six hundred sixty-three thousand, two hundred forty-seven".