83545011 has 12 divisors (see below), whose sum is σ = 131646840. Its totient is φ = 50633280.

The previous prime is 83544997. The next prime is 83545019. The reversal of 83545011 is 11054538.

It is not a de Polignac number, because 83545011 - 2⁷ = 83544883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83545019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421846 + ... + 422043.

It is an arithmetic number, because the mean of its divisors is an integer number (10970570).

Almost surely, 2^83545011 is an apocalyptic number.

83545011 is a deficient number, since it is larger than the sum of its proper divisors (48101829).

83545011 is a wasteful number, since it uses less digits than its factorization.

83545011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843906 (or 843903 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 83545011 is about 9140.2960017715. The cubic root of 83545011 is about 437.1597546150.

Adding to 83545011 its reverse (11054538), we get a palindrome (94599549).

The spelling of 83545011 in words is "eighty-three million, five hundred forty-five thousand, eleven".