11486718509663 has 2 divisors, whose sum is σ = 11486718509664. Its totient is φ = 11486718509662.

The previous prime is 11486718509657. The next prime is 11486718509701. The reversal of 11486718509663 is 36690581768411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11486718509663 - 2⁴ = 11486718509647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11486718509663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11486718509363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5743359254831 + 5743359254832.

It is an arithmetic number, because the mean of its divisors is an integer number (5743359254832).

Almost surely, 2^{11486718509663} is an apocalyptic number.

11486718509663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11486718509663 is an equidigital number, since it uses as much as digits as its factorization.

11486718509663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 11486718509663 in words is "eleven trillion, four hundred eighty-six billion, seven hundred eighteen million, five hundred nine thousand, six hundred sixty-three".