1165436101 has 4 divisors (see below), whose sum is σ = 1196934412. Its totient is φ = 1133937792.

The previous prime is 1165436047. The next prime is 1165436141. The reversal of 1165436101 is 1016345611.

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 697752225 + 467683876 = 26415^2 + 21626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165436101 - 2⁹ = 1165435589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1165436101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165436141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15749100 + ... + 15749173.

It is an arithmetic number, because the mean of its divisors is an integer number (299233603).

Almost surely, 2^1165436101 is an apocalyptic number.

It is an amenable number.

1165436101 is a deficient number, since it is larger than the sum of its proper divisors (31498311).

1165436101 is an equidigital number, since it uses as much as digits as its factorization.

1165436101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31498310.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1165436101 is about 34138.4841637704. The cubic root of 1165436101 is about 1052.3563410539.

The spelling of 1165436101 in words is "one billion, one hundred sixty-five million, four hundred thirty-six thousand, one hundred one".