2111175444347 has 4 divisors (see below), whose sum is σ = 2111320546896. Its totient is φ = 2111030341800.

The previous prime is 2111175444319. The next prime is 2111175444373. The reversal of 2111175444347 is 7434445711112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111175444347 - 2¹⁶ = 2111175378811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111175444298 and 2111175444307.

It is not an unprimeable number, because it can be changed into a prime (2111175449347) 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, 72529448 + ... + 72558549.

It is an arithmetic number, because the mean of its divisors is an integer number (527830136724).

Almost surely, 2^{2111175444347} is an apocalyptic number.

2111175444347 is a deficient number, since it is larger than the sum of its proper divisors (145102549).

2111175444347 is a wasteful number, since it uses less digits than its factorization.

2111175444347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145102548.

The product of its digits is 376320, while the sum is 44.

The spelling of 2111175444347 in words is "two trillion, one hundred eleven billion, one hundred seventy-five million, four hundred forty-four thousand, three hundred forty-seven".