10679111891 has 16 divisors (see below), whose sum is σ = 12474206400. Its totient is φ = 9138507840.

The previous prime is 10679111857. The next prime is 10679111893. The reversal of 10679111891 is 19811197601.

It is not a de Polignac number, because 10679111891 - 2¹⁰ = 10679110867 is a prime.

It is a super-2 number, since 2×10679111891² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10679111893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186401 + ... + 236861.

It is an arithmetic number, because the mean of its divisors is an integer number (779637900).

Almost surely, 2^10679111891 is an apocalyptic number.

10679111891 is a deficient number, since it is larger than the sum of its proper divisors (1795094509).

10679111891 is an frugal number, since it uses more digits than its factorization.

10679111891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51099 (or 51085 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 44.

The spelling of 10679111891 in words is "ten billion, six hundred seventy-nine million, one hundred eleven thousand, eight hundred ninety-one".