1152504345509 has 4 divisors (see below), whose sum is σ = 1257277467840. Its totient is φ = 1047731223180.

The previous prime is 1152504345497. The next prime is 1152504345511. The reversal of 1152504345509 is 9055434052511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1152504345509 - 2⁸ = 1152504345253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152504345509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152504341509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52386561149 + ... + 52386561170.

It is an arithmetic number, because the mean of its divisors is an integer number (314319366960).

Almost surely, 2^{1152504345509} is an apocalyptic number.

It is an amenable number.

1152504345509 is a deficient number, since it is larger than the sum of its proper divisors (104773122331).

1152504345509 is a wasteful number, since it uses less digits than its factorization.

1152504345509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104773122330.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 1152504345509 in words is "one trillion, one hundred fifty-two billion, five hundred four million, three hundred forty-five thousand, five hundred nine".