1081185184099 has 2 divisors, whose sum is σ = 1081185184100. Its totient is φ = 1081185184098.

The previous prime is 1081185184043. The next prime is 1081185184147. The reversal of 1081185184099 is 9904815811801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1081185184099 - 2³⁹ = 531429370211 is a prime.

It is a super-2 number, since 2×1081185184099² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1081185184039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540592592049 + 540592592050.

It is an arithmetic number, because the mean of its divisors is an integer number (540592592050).

Almost surely, 2^{1081185184099} is an apocalyptic number.

1081185184099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081185184099 is an equidigital number, since it uses as much as digits as its factorization.

1081185184099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 55.

The spelling of 1081185184099 in words is "one trillion, eighty-one billion, one hundred eighty-five million, one hundred eighty-four thousand, ninety-nine".