1150659018 has 12 divisors (see below), whose sum is σ = 2493094578. Its totient is φ = 383553000.

The previous prime is 1150659011. The next prime is 1150659031. The reversal of 1150659018 is 8109560511.

1150659018 is a `hidden beast` number, since 1 + 1 + 50 + 6 + 590 + 18 = 666.

It can be written as a sum of positive squares in only one way, i.e., 585978849 + 564680169 = 24207^2 + 23763^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1150659011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31962733 + ... + 31962768.

Almost surely, 2^1150659018 is an apocalyptic number.

1150659018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1150659018 is an abundant number, since it is smaller than the sum of its proper divisors (1342435560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1150659018 is a wasteful number, since it uses less digits than its factorization.

1150659018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63925509 (or 63925506 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 1150659018 is about 33921.3652142717. The cubic root of 1150659018 is about 1047.8896443099.

The spelling of 1150659018 in words is "one billion, one hundred fifty million, six hundred fifty-nine thousand, eighteen".