11147839305 has 8 divisors (see below), whose sum is σ = 17836542912. Its totient is φ = 5945514288.

The previous prime is 11147839253. The next prime is 11147839319. The reversal of 11147839305 is 50393874111.

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

It is not a de Polignac number, because 11147839305 - 2⁷ = 11147839177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371594629 + ... + 371594658.

It is an arithmetic number, because the mean of its divisors is an integer number (2229567864).

Almost surely, 2^11147839305 is an apocalyptic number.

11147839305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11147839305 is a deficient number, since it is larger than the sum of its proper divisors (6688703607).

11147839305 is an equidigital number, since it uses as much as digits as its factorization.

11147839305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743189295.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 11147839305 in words is "eleven billion, one hundred forty-seven million, eight hundred thirty-nine thousand, three hundred five".