83106509211 has 24 divisors (see below), whose sum is σ = 131789848944. Its totient is φ = 50046759360.

The previous prime is 83106509197. The next prime is 83106509221. The reversal of 83106509211 is 11290560138.

It is not a de Polignac number, because 83106509211 - 2⁹ = 83106508699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83106509221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2657896 + ... + 2688981.

It is an arithmetic number, because the mean of its divisors is an integer number (5491243706).

Almost surely, 2^83106509211 is an apocalyptic number.

83106509211 is a deficient number, since it is larger than the sum of its proper divisors (48683339733).

83106509211 is a wasteful number, since it uses less digits than its factorization.

83106509211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347051 (or 5347048 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 83106509211 in words is "eighty-three billion, one hundred six million, five hundred nine thousand, two hundred eleven".