1184105979839 has 4 divisors (see below), whose sum is σ = 1184212792224. Its totient is φ = 1183999167456.

The previous prime is 1184105979829. The next prime is 1184105979857. The reversal of 1184105979839 is 9389795014811.

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-1184105979839 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 (1184105979809) 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, 53389562 + ... + 53411735.

It is an arithmetic number, because the mean of its divisors is an integer number (296053198056).

Almost surely, 2^{1184105979839} is an apocalyptic number.

1184105979839 is a deficient number, since it is larger than the sum of its proper divisors (106812385).

1184105979839 is a wasteful number, since it uses less digits than its factorization.

1184105979839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106812384.

The product of its (nonzero) digits is 19595520, while the sum is 65.

The spelling of 1184105979839 in words is "one trillion, one hundred eighty-four billion, one hundred five million, nine hundred seventy-nine thousand, eight hundred thirty-nine".