11725959187 has 2 divisors, whose sum is σ = 11725959188. Its totient is φ = 11725959186.

The previous prime is 11725959143. The next prime is 11725959197. The reversal of 11725959187 is 78195952711.

It is a strong prime.

It is an emirp because it is prime and its reverse (78195952711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11725959187 - 2¹⁵ = 11725926419 is a prime.

It is not a weakly prime, because it can be changed into another prime (11725959127) by changing a digit.

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 as a sum of consecutive naturals, namely, 5862979593 + 5862979594.

It is an arithmetic number, because the mean of its divisors is an integer number (5862979594).

Almost surely, 2^11725959187 is an apocalyptic number.

11725959187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11725959187 is an equidigital number, since it uses as much as digits as its factorization.

11725959187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 55.

The spelling of 11725959187 in words is "eleven billion, seven hundred twenty-five million, nine hundred fifty-nine thousand, one hundred eighty-seven".