1150065997 has 8 divisors (see below), whose sum is σ = 1218019896. Its totient is φ = 1082145792.

The previous prime is 1150065989. The next prime is 1150066009. The reversal of 1150065997 is 7995600511.

It can be written as a sum of positive squares in 4 ways, for example, as 113934276 + 1036131721 = 10674^2 + 32189^2 .

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 1150065997 - 2³ = 1150065989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150065907) 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, 107733 + ... + 117925.

It is an arithmetic number, because the mean of its divisors is an integer number (152252487).

Almost surely, 2^1150065997 is an apocalyptic number.

1150065997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1150065997 is a deficient number, since it is larger than the sum of its proper divisors (67953899).

1150065997 is a wasteful number, since it uses less digits than its factorization.

1150065997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16847.

The product of its (nonzero) digits is 85050, while the sum is 43.

The square root of 1150065997 is about 33912.6229743439. The cubic root of 1150065997 is about 1047.7095946339.

The spelling of 1150065997 in words is "one billion, one hundred fifty million, sixty-five thousand, nine hundred ninety-seven".