11570648389 has 4 divisors (see below), whose sum is σ = 11570955424. Its totient is φ = 11570341356.

The previous prime is 11570648381. The next prime is 11570648393. The reversal of 11570648389 is 98384607511.

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 11570648389 - 2³ = 11570648381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11570648381) 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, 87537 + ... + 175510.

It is an arithmetic number, because the mean of its divisors is an integer number (2892738856).

Almost surely, 2^11570648389 is an apocalyptic number.

It is an amenable number.

11570648389 is a deficient number, since it is larger than the sum of its proper divisors (307035).

11570648389 is an equidigital number, since it uses as much as digits as its factorization.

11570648389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307034.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 11570648389 in words is "eleven billion, five hundred seventy million, six hundred forty-eight thousand, three hundred eighty-nine".