1165010540266 has 8 divisors (see below), whose sum is σ = 1790138147364. Its totient is φ = 568297824480.

The previous prime is 1165010540219. The next prime is 1165010540303. The reversal of 1165010540266 is 6620450105611.

It can be written as a sum of positive squares in 2 ways, for example, as 1119184147225 + 45826393041 = 1057915^2 + 214071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7103722725 + ... + 7103722888.

Almost surely, 2^{1165010540266} is an apocalyptic number.

1165010540266 is a deficient number, since it is larger than the sum of its proper divisors (625127607098).

1165010540266 is a wasteful number, since it uses less digits than its factorization.

1165010540266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14207445656.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 1165010540266 its reverse (6620450105611), we get a palindrome (7785460645877).

The spelling of 1165010540266 in words is "one trillion, one hundred sixty-five billion, ten million, five hundred forty thousand, two hundred sixty-six".