1186907917241 has 2 divisors, whose sum is σ = 1186907917242. Its totient is φ = 1186907917240.

The previous prime is 1186907917201. The next prime is 1186907917259. The reversal of 1186907917241 is 1427197096811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1105452474025 + 81455443216 = 1051405^2 + 285404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1186907917241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1186907917201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593453958620 + 593453958621.

It is an arithmetic number, because the mean of its divisors is an integer number (593453958621).

Almost surely, 2^{1186907917241} is an apocalyptic number.

It is an amenable number.

1186907917241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1186907917241 is an equidigital number, since it uses as much as digits as its factorization.

1186907917241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 56.

The spelling of 1186907917241 in words is "one trillion, one hundred eighty-six billion, nine hundred seven million, nine hundred seventeen thousand, two hundred forty-one".