1165001501 has 2 divisors, whose sum is σ = 1165001502. Its totient is φ = 1165001500.

The previous prime is 1165001489. The next prime is 1165001503. The reversal of 1165001501 is 1051005611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762036025 + 402965476 = 27605^2 + 20074^2 .

It is an emirp because it is prime and its reverse (1051005611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1165001501 - 2³⁰ = 91259677 is a prime.

Together with 1165001503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165001503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582500750 + 582500751.

It is an arithmetic number, because the mean of its divisors is an integer number (582500751).

Almost surely, 2^1165001501 is an apocalyptic number.

It is an amenable number.

1165001501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165001501 is an equidigital number, since it uses as much as digits as its factorization.

1165001501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1165001501 is about 34132.1183198465. The cubic root of 1165001501 is about 1052.2255142251.

The spelling of 1165001501 in words is "one billion, one hundred sixty-five million, one thousand, five hundred one".