1152065565405 has 32 divisors (see below), whose sum is σ = 2055904139520. Its totient is φ = 612098694720.

The previous prime is 1152065565397. The next prime is 1152065565433. The reversal of 1152065565405 is 5045655602511.

It is a happy number.

1152065565405 is a `hidden beast` number, since 1 + 1 + 5 + 20 + 65 + 565 + 4 + 0 + 5 = 666.

It is not a de Polignac number, because 1152065565405 - 2³ = 1152065565397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16188486 + ... + 16259495.

It is an arithmetic number, because the mean of its divisors is an integer number (64247004360).

Almost surely, 2^{1152065565405} is an apocalyptic number.

1152065565405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1152065565405 is a deficient number, since it is larger than the sum of its proper divisors (903838574115).

1152065565405 is a wasteful number, since it uses less digits than its factorization.

1152065565405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32448258 (or 32448252 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 1152065565405 in words is "one trillion, one hundred fifty-two billion, sixty-five million, five hundred sixty-five thousand, four hundred five".