1158765472 has 12 divisors (see below), whose sum is σ = 2281319586. Its totient is φ = 579382720.

The previous prime is 1158765467. The next prime is 1158765479. The reversal of 1158765472 is 2745678511.

It can be written as a sum of positive squares in only one way, i.e., 1128691216 + 30074256 = 33596^2 + 5484^2 .

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 as a sum of consecutive naturals, namely, 18105679 + ... + 18105742.

Almost surely, 2^1158765472 is an apocalyptic number.

It is an amenable number.

1158765472 is a deficient number, since it is larger than the sum of its proper divisors (1122554114).

1158765472 is an equidigital number, since it uses as much as digits as its factorization.

1158765472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36211431 (or 36211423 counting only the distinct ones).

The product of its digits is 470400, while the sum is 46.

The square root of 1158765472 is about 34040.6444122317. The cubic root of 1158765472 is about 1050.3447007348.

The spelling of 1158765472 in words is "one billion, one hundred fifty-eight million, seven hundred sixty-five thousand, four hundred seventy-two".