1158765471 has 6 divisors (see below), whose sum is σ = 1673772360. Its totient is φ = 772510308.

The previous prime is 1158765467. The next prime is 1158765479. The reversal of 1158765471 is 1745678511.

1158765471 is a `hidden beast` number, since 1 + 1 + 587 + 65 + 4 + 7 + 1 = 666.

It is not a de Polignac number, because 1158765471 - 2² = 1158765467 is a prime.

It is a super-3 number, since 3×1158765471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158765479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64375851 + ... + 64375868.

It is an arithmetic number, because the mean of its divisors is an integer number (278962060).

Almost surely, 2^1158765471 is an apocalyptic number.

1158765471 is a deficient number, since it is larger than the sum of its proper divisors (515006889).

1158765471 is a wasteful number, since it uses less digits than its factorization.

1158765471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128751725 (or 128751722 counting only the distinct ones).

The product of its digits is 235200, while the sum is 45.

The square root of 1158765471 is about 34040.6443975434. The cubic root of 1158765471 is about 1050.3447004327.

The spelling of 1158765471 in words is "one billion, one hundred fifty-eight million, seven hundred sixty-five thousand, four hundred seventy-one".