90646517011 has 4 divisors (see below), whose sum is σ = 90661973112. Its totient is φ = 90631060912.

The previous prime is 90646517009. The next prime is 90646517021. The reversal of 90646517011 is 11071564609.

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

It is a cyclic number.

It is not a de Polignac number, because 90646517011 - 2¹ = 90646517009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90646517021) 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 3 ways as a sum of consecutive naturals, for example, 7719250 + ... + 7730983.

It is an arithmetic number, because the mean of its divisors is an integer number (22665493278).

Almost surely, 2^90646517011 is an apocalyptic number.

90646517011 is a deficient number, since it is larger than the sum of its proper divisors (15456101).

90646517011 is a wasteful number, since it uses less digits than its factorization.

90646517011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456100.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 90646517011 in words is "ninety billion, six hundred forty-six million, five hundred seventeen thousand, eleven".