1150343505 has 256 divisors, whose sum is σ = 2521497600. Its totient is φ = 492687360.

The previous prime is 1150343483. The next prime is 1150343507. The reversal of 1150343505 is 5053430511.

1150343505 is a `hidden beast` number, since 1 + 150 + 3 + 4 + 3 + 505 = 666.

It is not a de Polignac number, because 1150343505 - 2⁹ = 1150342993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1150343507) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 31090347 + ... + 31090383.

It is an arithmetic number, because the mean of its divisors is an integer number (9849600).

Almost surely, 2^1150343505 is an apocalyptic number.

1150343505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1150343505 is an abundant number, since it is smaller than the sum of its proper divisors (1371154095).

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

1150343505 is a wasteful number, since it uses less digits than its factorization.

1150343505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1150343505 is about 33916.7142423909. The cubic root of 1150343505 is about 1047.7938577436.

The spelling of 1150343505 in words is "one billion, one hundred fifty million, three hundred forty-three thousand, five hundred five".