1152354525521 has 8 divisors (see below), whose sum is σ = 1195973929920. Its totient is φ = 1108993990608.

The previous prime is 1152354525431. The next prime is 1152354525523. The reversal of 1152354525521 is 1255254532511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1152354525521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152354525523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64708301 + ... + 64726106.

It is an arithmetic number, because the mean of its divisors is an integer number (149496741240).

Almost surely, 2^{1152354525521} is an apocalyptic number.

It is an amenable number.

1152354525521 is a deficient number, since it is larger than the sum of its proper divisors (43619404399).

1152354525521 is a wasteful number, since it uses less digits than its factorization.

1152354525521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129434743.

The product of its digits is 300000, while the sum is 41.

The spelling of 1152354525521 in words is "one trillion, one hundred fifty-two billion, three hundred fifty-four million, five hundred twenty-five thousand, five hundred twenty-one".