1150605900 has 216 divisors, whose sum is σ = 3851003520. Its totient is φ = 286341120.

The previous prime is 1150605899. The next prime is 1150605979. The reversal of 1150605900 is 95060511.

1150605900 is a `hidden beast` number, since 1 + 1 + 50 + 605 + 9 + 0 + 0 = 666.

It is a super-2 number, since 2×1150605900² = 2647787874229620000, which contains 22 as substring.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 2401861 + ... + 2402339.

It is an arithmetic number, because the mean of its divisors is an integer number (17828720).

Almost surely, 2^1150605900 is an apocalyptic number.

1150605900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150605900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925501760).

1150605900 is an abundant number, since it is smaller than the sum of its proper divisors (2700397620).

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

1150605900 is a wasteful number, since it uses less digits than its factorization.

1150605900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 1150605900 is about 33920.5822473613. The cubic root of 1150605900 is about 1047.8735194465.

The spelling of 1150605900 in words is "one billion, one hundred fifty million, six hundred five thousand, nine hundred".