1156065682 has 4 divisors (see below), whose sum is σ = 1734098526. Its totient is φ = 578032840.

The previous prime is 1156065661. The next prime is 1156065689. The reversal of 1156065682 is 2865606511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2865606511 = 293 ⋅9780227.

It can be written as a sum of positive squares in only one way, i.e., 616479241 + 539586441 = 24829^2 + 23229^2 .

It is a super-2 number, since 2×1156065682² = 2672975722196250248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1156065689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289016419 + ... + 289016422.

Almost surely, 2^1156065682 is an apocalyptic number.

1156065682 is a deficient number, since it is larger than the sum of its proper divisors (578032844).

1156065682 is an equidigital number, since it uses as much as digits as its factorization.

1156065682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578032843.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1156065682 is about 34000.9658980447. The cubic root of 1156065682 is about 1049.5283390304.

The spelling of 1156065682 in words is "one billion, one hundred fifty-six million, sixty-five thousand, six hundred eighty-two".