1150605540 has 96 divisors (see below), whose sum is σ = 4091055360. Its totient is φ = 262994688.

The previous prime is 1150605523. The next prime is 1150605563. The reversal of 1150605540 is 455060511.

It is a happy number.

1150605540 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 605 + 54 + 0 = 666.

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

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 31 ways as a sum of consecutive naturals, for example, 148417 + ... + 155976.

It is an arithmetic number, because the mean of its divisors is an integer number (42615160).

Almost surely, 2^1150605540 is an apocalyptic number.

1150605540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150605540 is an abundant number, since it is smaller than the sum of its proper divisors (2940449820).

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

1150605540 is a wasteful number, since it uses less digits than its factorization.

1150605540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304418 (or 304410 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1150605540 is about 33920.5769408482. The cubic root of 1150605540 is about 1047.8734101607.

The spelling of 1150605540 in words is "one billion, one hundred fifty million, six hundred five thousand, five hundred forty".