11109118839 has 36 divisors (see below), whose sum is σ = 18657887976. Its totient is φ = 5859741888.

The previous prime is 11109118837. The next prime is 11109118847. The reversal of 11109118839 is 93881190111.

It is not a de Polignac number, because 11109118839 - 2¹ = 11109118837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11109118839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11109118831) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 198744 + ... + 248429.

It is an arithmetic number, because the mean of its divisors is an integer number (518274666).

Almost surely, 2^11109118839 is an apocalyptic number.

11109118839 is a deficient number, since it is larger than the sum of its proper divisors (7548769137).

11109118839 is a wasteful number, since it uses less digits than its factorization.

11109118839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447216 (or 447196 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 42.

The spelling of 11109118839 in words is "eleven billion, one hundred nine million, one hundred eighteen thousand, eight hundred thirty-nine".