90529835105 has 4 divisors (see below), whose sum is σ = 108635802132. Its totient is φ = 72423868080.

The previous prime is 90529835083. The next prime is 90529835111. The reversal of 90529835105 is 50153892509.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56741145616 + 33788689489 = 238204^2 + 183817^2 .

It is not a de Polignac number, because 90529835105 - 2⁸ = 90529834849 is a prime.

It is a super-2 number, since 2×90529835105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90529835105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9052983506 + ... + 9052983515.

It is an arithmetic number, because the mean of its divisors is an integer number (27158950533).

Almost surely, 2^90529835105 is an apocalyptic number.

It is an amenable number.

90529835105 is a deficient number, since it is larger than the sum of its proper divisors (18105967027).

90529835105 is a wasteful number, since it uses less digits than its factorization.

90529835105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18105967026.

The product of its (nonzero) digits is 486000, while the sum is 47.

The spelling of 90529835105 in words is "ninety billion, five hundred twenty-nine million, eight hundred thirty-five thousand, one hundred five".