83195408511 has 6 divisors (see below), whose sum is σ = 120171145640. Its totient is φ = 55463605668.

The previous prime is 83195408497. The next prime is 83195408557. The reversal of 83195408511 is 11580459138.

83195408511 is a `hidden beast` number, since 8 + 3 + 1 + 95 + 40 + 8 + 511 = 666.

It is not a de Polignac number, because 83195408511 - 2⁷ = 83195408383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83195408711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4621967131 + ... + 4621967148.

Almost surely, 2^83195408511 is an apocalyptic number.

83195408511 is a deficient number, since it is larger than the sum of its proper divisors (36975737129).

83195408511 is a wasteful number, since it uses less digits than its factorization.

83195408511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243934285 (or 9243934282 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 83195408511 in words is "eighty-three billion, one hundred ninety-five million, four hundred eight thousand, five hundred eleven".