1165526241001 has 4 divisors (see below), whose sum is σ = 1165785654852. Its totient is φ = 1165266827152.

The previous prime is 1165526240999. The next prime is 1165526241031. The reversal of 1165526241001 is 1001426255611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 985006625625 + 180519615376 = 992475^2 + 424876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165526241001 - 2¹ = 1165526240999 is a prime.

It is a super-2 number, since 2×1165526241001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1165526241031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129700186 + ... + 129709171.

It is an arithmetic number, because the mean of its divisors is an integer number (291446413713).

Almost surely, 2^{1165526241001} is an apocalyptic number.

It is an amenable number.

1165526241001 is a deficient number, since it is larger than the sum of its proper divisors (259413851).

1165526241001 is an equidigital number, since it uses as much as digits as its factorization.

1165526241001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259413850.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 1165526241001 in words is "one trillion, one hundred sixty-five billion, five hundred twenty-six million, two hundred forty-one thousand, one".