11339999971 has 4 divisors (see below), whose sum is σ = 11833043472. Its totient is φ = 10846956472.

The previous prime is 11339999963. The next prime is 11339999987. The reversal of 11339999971 is 17999993311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11339999971 - 2³ = 11339999963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11339999071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246521716 + ... + 246521761.

It is an arithmetic number, because the mean of its divisors is an integer number (2958260868).

Almost surely, 2^11339999971 is an apocalyptic number.

11339999971 is a deficient number, since it is larger than the sum of its proper divisors (493043501).

11339999971 is an equidigital number, since it uses as much as digits as its factorization.

11339999971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493043500.

The product of its digits is 3720087, while the sum is 61.

The spelling of 11339999971 in words is "eleven billion, three hundred thirty-nine million, nine hundred ninety-nine thousand, nine hundred seventy-one".