6994136779611 has 16 divisors (see below), whose sum is σ = 9328789284000. Its totient is φ = 4661121282048.

The previous prime is 6994136779559. The next prime is 6994136779631. The reversal of 6994136779611 is 1169776314996.

It is not a de Polignac number, because 6994136779611 - 2⁶ = 6994136779547 is a prime.

It is a super-2 number, since 2×6994136779611² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6994136779631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240094495 + ... + 240123623.

It is an arithmetic number, because the mean of its divisors is an integer number (583049330250).

Almost surely, 2^{6994136779611} is an apocalyptic number.

6994136779611 is a deficient number, since it is larger than the sum of its proper divisors (2334652504389).

6994136779611 is a wasteful number, since it uses less digits than its factorization.

6994136779611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54478.

The product of its digits is 92588832, while the sum is 69.

The spelling of 6994136779611 in words is "six trillion, nine hundred ninety-four billion, one hundred thirty-six million, seven hundred seventy-nine thousand, six hundred eleven".