1159800615 has 24 divisors (see below), whose sum is σ = 2011274928. Its totient is φ = 618266880.

The previous prime is 1159800611. The next prime is 1159800689. The reversal of 1159800615 is 5160089511.

1159800615 is a `hidden beast` number, since 1 + 1 + 598 + 0 + 0 + 61 + 5 = 666.

It is not a de Polignac number, because 1159800615 - 2² = 1159800611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1159800615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159800611) 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 in 23 ways as a sum of consecutive naturals, for example, 117055 + ... + 126575.

It is an arithmetic number, because the mean of its divisors is an integer number (83803122).

Almost surely, 2^1159800615 is an apocalyptic number.

1159800615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1159800615 is a deficient number, since it is larger than the sum of its proper divisors (851474313).

1159800615 is a wasteful number, since it uses less digits than its factorization.

1159800615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12239 (or 12236 counting only the distinct ones).

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

The square root of 1159800615 is about 34055.8455334763. The cubic root of 1159800615 is about 1050.6573706688.

The spelling of 1159800615 in words is "one billion, one hundred fifty-nine million, eight hundred thousand, six hundred fifteen".