10939698911 has 4 divisors (see below), whose sum is σ = 10942090512. Its totient is φ = 10937307312.

The previous prime is 10939698859. The next prime is 10939698937. The reversal of 10939698911 is 11989693901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10939698911 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 (10939698811) 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, 1188926 + ... + 1198091.

It is an arithmetic number, because the mean of its divisors is an integer number (2735522628).

Almost surely, 2^10939698911 is an apocalyptic number.

10939698911 is a deficient number, since it is larger than the sum of its proper divisors (2391601).

10939698911 is an equidigital number, since it uses as much as digits as its factorization.

10939698911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391600.

The product of its (nonzero) digits is 944784, while the sum is 56.

The spelling of 10939698911 in words is "ten billion, nine hundred thirty-nine million, six hundred ninety-eight thousand, nine hundred eleven".