1152476865 has 12 divisors (see below), whose sum is σ = 1997626644. Its totient is φ = 614654304.

The previous prime is 1152476839. The next prime is 1152476887. The reversal of 1152476865 is 5686742511.

1152476865 is a `hidden beast` number, since 1 + 1 + 524 + 7 + 68 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 835672464 + 316804401 = 28908^2 + 17799^2 .

It is not a de Polignac number, because 1152476865 - 2⁷ = 1152476737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 25610597 = 1152476865 / (1 + 1 + 5 + 2 + 4 + 7 + 6 + 8 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1152476865.

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 11 ways as a sum of consecutive naturals, for example, 12805254 + ... + 12805343.

It is an arithmetic number, because the mean of its divisors is an integer number (166468887).

Almost surely, 2^1152476865 is an apocalyptic number.

1152476865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1152476865 is a deficient number, since it is larger than the sum of its proper divisors (845149779).

1152476865 is a wasteful number, since it uses less digits than its factorization.

1152476865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25610608 (or 25610605 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 1152476865 is about 33948.1496550254. The cubic root of 1152476865 is about 1048.4411835450.

The spelling of 1152476865 in words is "one billion, one hundred fifty-two million, four hundred seventy-six thousand, eight hundred sixty-five".