90111522511109 has 8 divisors (see below), whose sum is σ = 103477346424480. Its totient is φ = 77608009818000.

The previous prime is 90111522511027. The next prime is 90111522511117.

It is a happy number.

90111522511109 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90111522511109 - 2⁴⁴ = 72519336466693 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 (90111522511189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215577804842 + ... + 215577805259.

It is an arithmetic number, because the mean of its divisors is an integer number (12934668303060).

Almost surely, 2^{90111522511109} is an apocalyptic number.

It is an amenable number.

90111522511109 is a deficient number, since it is larger than the sum of its proper divisors (13365823913371).

90111522511109 is a wasteful number, since it uses less digits than its factorization.

90111522511109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431155610131.

The product of its (nonzero) digits is 8100, while the sum is 38.

The spelling of 90111522511109 in words is "ninety trillion, one hundred eleven billion, five hundred twenty-two million, five hundred eleven thousand, one hundred nine".