1116654109 has 2 divisors, whose sum is σ = 1116654110. Its totient is φ = 1116654108.

The previous prime is 1116654107. The next prime is 1116654139. The reversal of 1116654109 is 9014566111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909927225 + 206726884 = 30165^2 + 14378^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116654109 - 2¹ = 1116654107 is a prime.

Together with 1116654107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116654101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558327054 + 558327055.

It is an arithmetic number, because the mean of its divisors is an integer number (558327055).

Almost surely, 2^1116654109 is an apocalyptic number.

It is an amenable number.

1116654109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116654109 is an equidigital number, since it uses as much as digits as its factorization.

1116654109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1116654109 is about 33416.3748632313. The cubic root of 1116654109 is about 1037.4636508095.

The spelling of 1116654109 in words is "one billion, one hundred sixteen million, six hundred fifty-four thousand, one hundred nine".