1151106111 has 6 divisors (see below), whose sum is σ = 1662708840. Its totient is φ = 767404068.

The previous prime is 1151106109. The next prime is 1151106113. The reversal of 1151106111 is 1116011511.

It is a happy number.

1151106111 is a `hidden beast` number, since 1 + 1 + 51 + 1 + 0 + 611 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1151106109) and next prime (1151106113).

It is not a de Polignac number, because 1151106111 - 2¹ = 1151106109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151106113) 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 in 5 ways as a sum of consecutive naturals, for example, 63950331 + ... + 63950348.

It is an arithmetic number, because the mean of its divisors is an integer number (277118140).

Almost surely, 2^1151106111 is an apocalyptic number.

1151106111 is a deficient number, since it is larger than the sum of its proper divisors (511602729).

1151106111 is a wasteful number, since it uses less digits than its factorization.

1151106111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127900685 (or 127900682 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

The square root of 1151106111 is about 33927.9547128913. The cubic root of 1151106111 is about 1048.0253472566.

Adding to 1151106111 its reverse (1116011511), we get a palindrome (2267117622).

The spelling of 1151106111 in words is "one billion, one hundred fifty-one million, one hundred six thousand, one hundred eleven".