1118311930061 has 2 divisors, whose sum is σ = 1118311930062. Its totient is φ = 1118311930060.

The previous prime is 1118311930039. The next prime is 1118311930069. The reversal of 1118311930061 is 1600391138111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623498165161 + 494813764900 = 789619^2 + 703430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118311930061 - 2¹⁸ = 1118311667917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118311930069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559155965030 + 559155965031.

It is an arithmetic number, because the mean of its divisors is an integer number (559155965031).

Almost surely, 2^{1118311930061} is an apocalyptic number.

It is an amenable number.

1118311930061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118311930061 is an equidigital number, since it uses as much as digits as its factorization.

1118311930061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 1118311930061 in words is "one trillion, one hundred eighteen billion, three hundred eleven million, nine hundred thirty thousand, sixty-one".