6911991123801 has 8 divisors (see below), whose sum is σ = 9440768364384. Its totient is φ = 4495603982880.

The previous prime is 6911991123799. The next prime is 6911991123803. The reversal of 6911991123801 is 1083211991196.

It is an interprime number because it is at equal distance from previous prime (6911991123799) and next prime (6911991123803).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6911991123801 - 2¹ = 6911991123799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6911991123803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28097524771 + ... + 28097525016.

It is an arithmetic number, because the mean of its divisors is an integer number (1180096045548).

Almost surely, 2^{6911991123801} is an apocalyptic number.

It is an amenable number.

6911991123801 is a deficient number, since it is larger than the sum of its proper divisors (2528777240583).

6911991123801 is a wasteful number, since it uses less digits than its factorization.

6911991123801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56195049831.

The product of its (nonzero) digits is 209952, while the sum is 51.

The spelling of 6911991123801 in words is "six trillion, nine hundred eleven billion, nine hundred ninety-one million, one hundred twenty-three thousand, eight hundred one".