1153712813 has 8 divisors (see below), whose sum is σ = 1324837920. Its totient is φ = 993628080.

The previous prime is 1153712809. The next prime is 1153712839. The reversal of 1153712813 is 3182173511.

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

It is a cyclic number.

It is not a de Polignac number, because 1153712813 - 2² = 1153712809 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 1153712813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153712863) 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, 2759870 + ... + 2760287.

It is an arithmetic number, because the mean of its divisors is an integer number (165604740).

Almost surely, 2^1153712813 is an apocalyptic number.

It is an amenable number.

1153712813 is a deficient number, since it is larger than the sum of its proper divisors (171125107).

1153712813 is a wasteful number, since it uses less digits than its factorization.

1153712813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520187.

The product of its digits is 5040, while the sum is 32.

The square root of 1153712813 is about 33966.3482435189. The cubic root of 1153712813 is about 1048.8158420668.

The spelling of 1153712813 in words is "one billion, one hundred fifty-three million, seven hundred twelve thousand, eight hundred thirteen".