11381283618851 has 2 divisors, whose sum is σ = 11381283618852. Its totient is φ = 11381283618850.

The previous prime is 11381283618827. The next prime is 11381283618863. The reversal of 11381283618851 is 15881638218311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11381283618851 - 2⁶ = 11381283618787 is a prime.

It is a super-2 number, since 2×11381283618851² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11381282618851) 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, 5690641809425 + 5690641809426.

It is an arithmetic number, because the mean of its divisors is an integer number (5690641809426).

Almost surely, 2^{11381283618851} is an apocalyptic number.

11381283618851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11381283618851 is an equidigital number, since it uses as much as digits as its factorization.

11381283618851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 56.

The spelling of 11381283618851 in words is "eleven trillion, three hundred eighty-one billion, two hundred eighty-three million, six hundred eighteen thousand, eight hundred fifty-one".