1165015101 has 8 divisors (see below), whose sum is σ = 1582662240. Its totient is φ = 762022352.

The previous prime is 1165015099. The next prime is 1165015139. The reversal of 1165015101 is 1015105611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1165015101 - 2¹ = 1165015099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165015171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3663411 + ... + 3663728.

It is an arithmetic number, because the mean of its divisors is an integer number (197832780).

Almost surely, 2^1165015101 is an apocalyptic number.

It is an amenable number.

1165015101 is a deficient number, since it is larger than the sum of its proper divisors (417647139).

1165015101 is an equidigital number, since it uses as much as digits as its factorization.

1165015101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7327195.

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 1165015101 is about 34132.3175451067. The cubic root of 1165015101 is about 1052.2296087009.

The spelling of 1165015101 in words is "one billion, one hundred sixty-five million, fifteen thousand, one hundred one".