1165000520026 has 16 divisors (see below), whose sum is σ = 1999266134400. Its totient is φ = 498755340720.

The previous prime is 1165000519939. The next prime is 1165000520039. The reversal of 1165000520026 is 6200250005611.

It is a junction number, because it is equal to n+sod(n) for n = 1165000519976 and 1165000520003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44202726 + ... + 44229073.

It is an arithmetic number, because the mean of its divisors is an integer number (124954133400).

Almost surely, 2^{1165000520026} is an apocalyptic number.

1165000520026 is a deficient number, since it is larger than the sum of its proper divisors (834265614374).

1165000520026 is an equidigital number, since it uses as much as digits as its factorization.

1165000520026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88432749.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1165000520026 its reverse (6200250005611), we get a palindrome (7365250525637).

The spelling of 1165000520026 in words is "one trillion, one hundred sixty-five billion, five hundred twenty thousand, twenty-six".