1086818811731 has 2 divisors, whose sum is σ = 1086818811732. Its totient is φ = 1086818811730.

The previous prime is 1086818811647. The next prime is 1086818811809. The reversal of 1086818811731 is 1371188186801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1086818811731 - 2¹⁴ = 1086818795347 is a prime.

It is a super-2 number, since 2×1086818811731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1086818861731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543409405865 + 543409405866.

It is an arithmetic number, because the mean of its divisors is an integer number (543409405866).

Almost surely, 2^{1086818811731} is an apocalyptic number.

1086818811731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086818811731 is an equidigital number, since it uses as much as digits as its factorization.

1086818811731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 53.

The spelling of 1086818811731 in words is "one trillion, eighty-six billion, eight hundred eighteen million, eight hundred eleven thousand, seven hundred thirty-one".