307845081211 has 4 divisors (see below), whose sum is σ = 312062137192. Its totient is φ = 303628025232.

The previous prime is 307845081163. The next prime is 307845081253. The reversal of 307845081211 is 112180548703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112180548703 = 23 ⋅4877415161.

It is a cyclic number.

It is not a de Polignac number, because 307845081211 - 2⁷ = 307845081083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307845081311) 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, 2108527881 + ... + 2108528026.

It is an arithmetic number, because the mean of its divisors is an integer number (78015534298).

Almost surely, 2^307845081211 is an apocalyptic number.

307845081211 is a deficient number, since it is larger than the sum of its proper divisors (4217055981).

307845081211 is an equidigital number, since it uses as much as digits as its factorization.

307845081211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217055980.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 307845081211 in words is "three hundred seven billion, eight hundred forty-five million, eighty-one thousand, two hundred eleven".