1061115993 has 12 divisors (see below), whose sum is σ = 1751683648. Its totient is φ = 606351960.

The previous prime is 1061115989. The next prime is 1061116027. The reversal of 1061115993 is 3995111601.

It is a happy number.

1061115993 is a `hidden beast` number, since 1 + 0 + 61 + 1 + 1 + 599 + 3 = 666.

It is not a de Polignac number, because 1061115993 - 2² = 1061115989 is a prime.

It is a super-2 number, since 2×1061115993² = 2251934301200752098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061115943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8421493 + ... + 8421618.

Almost surely, 2^1061115993 is an apocalyptic number.

It is an amenable number.

1061115993 is a deficient number, since it is larger than the sum of its proper divisors (690567655).

1061115993 is a wasteful number, since it uses less digits than its factorization.

1061115993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16843124 (or 16843121 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 1061115993 is about 32574.7754098167. The cubic root of 1061115993 is about 1019.9705210627.

The spelling of 1061115993 in words is "one billion, sixty-one million, one hundred fifteen thousand, nine hundred ninety-three".