1158196465 has 16 divisors (see below), whose sum is σ = 1411920000. Its totient is φ = 911889792.

The previous prime is 1158196463. The next prime is 1158196483. The reversal of 1158196465 is 5646918511.

It is a cyclic number.

It is not a de Polignac number, because 1158196465 - 2¹ = 1158196463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1158196463) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 178956 + ... + 185314.

It is an arithmetic number, because the mean of its divisors is an integer number (88245000).

Almost surely, 2^1158196465 is an apocalyptic number.

It is an amenable number.

1158196465 is a deficient number, since it is larger than the sum of its proper divisors (253723535).

1158196465 is an equidigital number, since it uses as much as digits as its factorization.

1158196465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936.

The product of its digits is 259200, while the sum is 46.

The square root of 1158196465 is about 34032.2856270336. The cubic root of 1158196465 is about 1050.1727501106.

The spelling of 1158196465 in words is "one billion, one hundred fifty-eight million, one hundred ninety-six thousand, four hundred sixty-five".