1106516681 has 2 divisors, whose sum is σ = 1106516682. Its totient is φ = 1106516680.

The previous prime is 1106516657. The next prime is 1106516687. The reversal of 1106516681 is 1866156011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588499081 + 518017600 = 24259^2 + 22760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1106516681 - 2⁶ = 1106516617 is a prime.

It is a super-2 number, since 2×1106516681² = 2448758330662511522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1106516687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553258340 + 553258341.

It is an arithmetic number, because the mean of its divisors is an integer number (553258341).

Almost surely, 2^1106516681 is an apocalyptic number.

It is an amenable number.

1106516681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106516681 is an equidigital number, since it uses as much as digits as its factorization.

1106516681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1106516681 is about 33264.3454918325. The cubic root of 1106516681 is about 1034.3146001624.

The spelling of 1106516681 in words is "one billion, one hundred six million, five hundred sixteen thousand, six hundred eighty-one".